Sleep Hygiene Checklist: 15 Habits for Better Sleep

Sleep hygiene is the set of daily habits and bedroom environment factors that support good sleep — and the most effective way to apply it is as a checklist. Rather than trying to "sleep better" as a vague intention, working through specific habits one at a time gives you a clear, scannable framework to follow. This guide walks through fifteen sleep hygiene habits grouped into three sets of five: your daily rhythm, your wind-down routine, and your bedroom environment. Each habit is backed by Sleep Health Foundation guidance and AU government health authority, with a printable summary at the end so you can save, print, or share the checklist.

If you're new to the concept, read our complete guide to sleep hygiene before working through this checklist.

15 habits across three groups: (1) Daily rhythm — consistent bedtime, consistent wake-up time, morning daylight, daytime movement, early-afternoon caffeine cut-off. (2) Wind-down — alcohol limits, lighter/earlier dinner, dimmed lights, screens off, wind-down ritual. (3) Bedroom environment — cool 17–19°C (Sleep Health Foundation), dark, quiet, supportive mattress, right pillow for your sleep position. Print the master checklist below and tick off habits as you build them in. Most sleepers see improvement within 2–4 weeks. If sleep difficulties persist despite consistent application, see your GP.

Key Takeaways

• Sleep hygiene = the daily habits and bedroom factors that support good sleep

• 15 habits across 3 groups — daily rhythm, wind-down, bedroom environment

• Work through one or two changes at a time — don't try all 15 at once

• Most sleepers see improvement within 2–4 weeks of consistent application

• The bedroom environment habits (11–15) are often the most impactful for sleepers whose habits are otherwise reasonable

• A comfortable, supportive mattress and the right pillow are part of the checklist, not the whole answer

• If sleep concerns persist for more than 2–4 weeks despite consistent checklist application, see your GP

• Australian authority resources: Sleep Health Foundation, Better Health Channel, healthdirect

Why a 15-habit sleep hygiene checklist works

Sleep hygiene is widely written about but often vaguely applied. "Improve your sleep" is a goal, not a plan. A checklist turns the abstract into the concrete — instead of trying to sleep better, you're working through 15 specific things you can do, one at a time. Per Sleep Health Foundation and Better Health Channel, the core principles are consistent: regular timing, the right bedroom environment, and habits that help the body wind down at night.

The 15 habits below are grouped into three categories so they're easier to scan and to apply. Work through one or two changes at a time, give them two to four weeks to settle in, then layer the next one on. Trying to overhaul 15 habits at once usually doesn't stick. Building two or three new habits a month does.

If you want the broader explainer on what sleep hygiene is and why it matters, our sleep hygiene guide is the pillar piece that anchors this checklist.

Set your daily rhythm (Habits 1–5)

The first five habits anchor your body clock. They're the foundation everything else builds on.

1. Set a consistent bedtime. Same time each night, within about 30 minutes. The body's internal clock works best with a regular routine — per Sleep Health Foundation, this is one of the most-recommended sleep hygiene fundamentals. Even on weekends, try to stay close to your weekday time.

2. Set a consistent wake-up time (even on weekends). Wake-up time anchors the circadian rhythm even more powerfully than bedtime. Sleep researchers call inconsistent weekend sleeping "social jet lag" — the Sunday-night insomnia and Monday-morning sluggishness that come from sleeping in too late on Saturday and Sunday. Keep weekend wake-ups within 30 minutes of your weekday time.

3. Get bright daylight within 1–2 hours of waking. Morning light is the strongest signal to the body clock. Even 10–15 minutes outside (without sunglasses if it's safe to do so) helps anchor your circadian rhythm and supports natural melatonin timing later in the evening. Per Sleep Health Foundation guidance — bright light during the day, dim light at night.

4. Move your body during the day. Daily movement (walking, exercise, stretching) improves sleep quality and reduces sleep onset latency. The catch: avoid vigorous exercise within 2 hours of bed, as it raises core body temperature and can delay sleep onset.

5. Cut caffeine by early afternoon. Caffeine has a half-life of about 5 hours — a 2 pm coffee is still active at 7 pm. Per Sleep Health Foundation, some sleepers need to avoid caffeine for 3–7 hours before bed. For most adults, cutting off by 2 pm is a safe rule of thumb.

Build your wind-down (Habits 6–10)

The second five habits cover the evening and pre-bed routine. They're about giving your body the cues to shift from "awake mode" to "sleep mode."

6. Limit alcohol close to bedtime. Alcohol can shorten the time it takes to fall asleep, but it disrupts sleep architecture — particularly REM sleep — and commonly causes overnight wakings. Per Sleep Health Foundation, alcohol makes sleep problems including snoring and sleep apnoea worse. Moderate intake within 3 hours of bed.

7. Eat lighter and earlier. Heavy meals within 2–3 hours of bed can cause discomfort, indigestion, and reflux that disrupt sleep onset. A light dinner earlier in the evening lets your body finish digesting before you lie down.

8. Dim the lights 1–2 hours before bed. Lower lighting signals the body to start producing melatonin, the sleep hormone. Switch overhead lights for lamps; consider warm-toned bulbs (2700K or below) rather than cool blue-toned ones. This single change often makes more difference than people expect.

9. Turn off screens 30–60 minutes before bed. Blue light from phones, tablets, TVs, and computers suppresses melatonin and keeps the brain alert. Per Sleep Health Foundation, screens off 1–2 hours before bed is the ideal. If complete avoidance isn't realistic, use night mode and reduce brightness in the wind-down hour.

10. Build a consistent wind-down ritual. Spend 30–60 minutes on calming, low-stimulation activity — a warm shower, reading something gentle, stretching, journalling, slow breathing. Same routine most nights so the body recognises the cue. For the deeper wind-down framework, our how to fall asleep fast guide covers practical structure.

Optimise your bedroom environment (Habits 11–15)

The third five habits cover the room itself — temperature, light, sound, and the sleep surface. For sleepers whose daily habits are reasonable but who still don't sleep well, the bedroom environment is often where the biggest gains sit.

11. Keep your bedroom cool — around 17–19°C. Per Sleep Health Foundation, 17–19°C supports the body's natural overnight temperature drop, which is one of the signals that triggers sleep. AU bedrooms commonly run warmer than this in summer — our best bedroom temperature for sleep guide covers year-round AU detail.

12. Keep your bedroom dark. Blockout curtains, no electronic device LEDs, eye mask if you need one. Light leakage — particularly early-morning AU summer sun — shortens and fragments sleep.

13. Keep your bedroom quiet (or consistently sound-masked). Soft furnishings (rugs, curtains, throws) absorb sound. For unavoidable noise, brown or white noise can mask unpredictable sounds — our brown noise for sleep guide covers the category.

14. Sleep on a comfortable, supportive mattress. A mattress past its useful life loses support and pressure relief — typical foam mattress lifespan is 7–10 years; innerspring 5–8; latex 8–15. If your mattress is past its lifespan, sagging visibly, or causing aches on waking, it's part of the picture. Our Koala mattress range is designed around open-cell Kloudcell® foam, backed by a 120-day trial. For broader buying decisions, see the best mattress in Australia guide and the/blogs/mattress-guides/how-to-choose-a-mattress .

15. Use the right pillow for your sleep position. Side sleepers need a firmer, thicker pillow that fills the gap between shoulder and ear. Back sleepers benefit from a thinner pillow that keeps the neck neutral. Stomach sleepers usually do best with the thinnest pillow possible. The Koala Pillow [2nd Gen] is firmness-adjustable via a zip system, which means you can dial in the right feel for your position rather than fighting with a pillow that's wrong for you.

For broader bedroom design ideas, see our small bedroom ideas guide.

The 15-habit printable checklist

Save, print, or share this as a working checklist. Tick off habits as you build them in. Aim for one or two new habits at a time rather than all 15 at once.

What to avoid: the anti-checklist

Sometimes the difference is what you stop doing rather than what you start. Here are the habits and behaviours to drop:

Weekends, travel, and disruption — staying on the checklist

Life isn't always cooperative with a perfect routine. Travel, kids, work demands, social commitments all disrupt the checklist regularly. The trick is knowing how to recover without throwing the whole framework out.

Weekends. The biggest single mistake most Australians make with sleep hygiene is significantly oversleeping on weekends. Keep weekend wake-up times within about 30 minutes of weekday times. The Sunday-night insomnia that follows a 9 am weekend wake-up isn't bad luck — it's social jet lag.

Travel. Crossing time zones disrupts the circadian rhythm. For longer trips, shift your sleep schedule gradually in the days before travel. On arrival, use morning daylight strategically — bright light in the morning at your destination helps anchor the new time zone. For more on circadian recovery, see our how to increase melatonin naturally guide.

A few rough nights. Don't try to "catch up" by sleeping in dramatically. Bring sleep duration up gradually over a week rather than oversleeping once. The body responds better to small, consistent adjustments than to big swings.

The "sleep banking" myth. You can't store sleep ahead of time. Sleeping extra the day before a stressful event doesn't pre-load the body with energy. What works is consistent sleep before AND during stressful periods.

When the checklist isn't enough

The 15 habits work for most sleepers when applied consistently for 2–4 weeks. If you've worked through them genuinely and sleep concerns persist, that's the signal that the issue may be more than habits.

Per healthdirect, see your GP if:

• Sleep difficulties persist for more than 2–4 weeks despite consistent checklist application

• You suspect a sleep disorder — loud snoring with daytime sleepiness suggests sleep apnoea; persistent insomnia warrants evaluation

• Daytime sleepiness is affecting work, study, or driving safety

• Mental health symptoms (anxiety, depression, racing thoughts) appear alongside sleep changes

• You're relying on alcohol or sleep medication daily to cope

Australian support resources:

• healthdirect helpline — 1800 022 222 (NURSE-ON-CALL in Victoria), 24/7 health advice

• Beyond Blue — 1300 22 4636, mental health support

• Lifeline — 13 11 14, 24/7 crisis support

• Sleep Health Foundation — comprehensive AU sleep authority

Build the bedroom environment that supports your checklist

Habits 11 through 15 are the bedroom environment foundation — and they're the part of the checklist where the right setup makes the biggest single difference. Our Koala mattress range, Koala Pillow [2nd Gen], and broader bedroom range are designed around AU sleep environments — backed by our 120-day trial so you can test the change before committing. To compare in person, visit our Koala Moore Park Showroom in Sydney.

Shop the Koala mattress range →