Sleep Hygiene: 10 Habits for Better Sleep

Sleep hygiene refers to the habits and environmental conditions that support good sleep. Like dental hygiene, it's about consistent daily practices rather than one-time fixes. Poor sleep hygiene is the most common cause of sleep problems — and the easiest to fix.

You don't need to implement all of these at once. Pick two or three that seem most relevant to your situation and practice them consistently for two weeks before adding more.

This is the single most important sleep habit. Wake up at the same time every day — including weekends. Your circadian rhythm anchors to your wake time, and consistency makes falling asleep at night predictable. Sleeping in on weekends creates 'social jet lag' that disrupts your Monday-through-Friday sleep.

Temperature: 15-19°C (60-67°F). Darkness: use blackout curtains or a sleep mask. Quiet: use earplugs or a white noise machine if needed. These three factors directly affect your body's ability to initiate and maintain sleep. Invest in your sleep environment like you'd invest in a good mattress.

It's not just the blue light — it's the mental stimulation. Social media, news, and messaging keep your brain in engagement mode. Replace screen time with reading, stretching, or a relaxation technique. If you must use a device, enable night mode and avoid interactive content.

Stop caffeine by noon, or earlier if you're sensitive. Caffeine blocks adenosine, the chemical that builds sleep pressure throughout the day. Even if you can 'fall asleep after coffee,' caffeine reduces deep sleep quality, so you wake up less rested.

30 minutes of moderate exercise most days significantly improves sleep quality. Morning or afternoon exercise is ideal. Avoid vigorous exercise within 3 hours of bedtime, but gentle stretching or yoga in the evening is fine and can actually help.

Create a consistent 20-30 minute routine before bed. This trains your brain to recognize that sleep is coming. It doesn't matter what you do — read, stretch, practice relaxation techniques — as long as it's consistent, calm, and screen-free.

Don't work, eat, or watch TV in bed. When your brain associates the bed exclusively with sleep, lying down becomes a powerful sleep cue. If you've been lying awake for more than 20 minutes, get up and do something calm in another room until you feel sleepy, then return.

If you nap, keep it under 20 minutes and before 3 PM. Longer or later naps reduce your sleep drive at night. A brief 'power nap' can boost afternoon performance without affecting nighttime sleep.

Alcohol may help you fall asleep but it significantly disrupts sleep quality in the second half of the night. It suppresses REM sleep, causes more awakenings, and often leads to early morning waking. If you drink, finish at least 3 hours before bed.

Exposure to bright light within 30 minutes of waking reinforces your circadian rhythm and improves nighttime sleep quality. Step outside for 10 minutes or sit by a sunny window. On cloudy days, any outdoor light is still far brighter than indoor lighting.