How To Sleep Better
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1. Hit a consistent bed and wake time
Sleep is the single highest-leverage thing you can improve in your life. Not diet, not exercise, not meditation — sleep. It compounds into mood, weight, cognition, longevity, and essentially every health metric worth tracking. Good sleep is not a bonus; it’s the foundation under everything else.
2. Aim for 7–9 hours in bed
This guide covers the practical, evidence-backed moves that improve sleep for most people. Pick 3–4 to run for a month and you’ll likely feel the difference in week two.
3. Cap caffeine at noon
Most adults need 7–9 hours of actual sleep, which means 7.5–9.5 in bed accounting for sleep latency and brief wakings. If you chronically get 6 hours, you’re not “adapting” — you’re impaired and have stopped noticing.
4. Dim the lights two hours before bed
Bright overhead light suppresses melatonin, which signals the body to prepare for sleep. Switch to low lamps in the evening. Your brain reads light intensity as time of day; evening light looks like noon to your biology.
5. Get daylight early in the day
The strongest circadian signal is bright natural light within an hour of waking. Ten minutes outside (cloudy counts) anchors the rhythm for the whole day. Indoor light is 100x dimmer than outdoor — it doesn’t substitute.
6. Cool bedroom, around 18°C / 65°F
Blue light suppresses melatonin somewhat; the real problem is behavioral — scrolling is stimulating and displaces sleep. If you must read, prefer a physical book or an e-ink reader on the dimmest setting.
7. No screens in bed
Alcohol helps you fall asleep and completely ruins the second half. It suppresses REM and deep sleep, causing the 3am wake-up and unrefreshed mornings. If you drink, finish 2–3 hours before bed.
8. Skip alcohol late
Large meals 3 hours before bed cause digestion to compete with sleep. If you’re hungry, have something light. Heavy dinners often show up on trackers as degraded deep sleep for the first several hours.
9. Don’t eat heavy late
After 20 minutes awake in bed, get up. Read in a dim room until sleepy, then return. This prevents the bed from becoming associated with frustration and insomnia. Staring at the ceiling for an hour is worse for sleep than an hour reading on the couch.
10. Have a wind-down ritual
Pick three: consistent times, caffeine cutoff at noon, and a 30-minute wind-down. Run them for a week. If you’re still struggling, add daylight first thing and cool the bedroom. Most people feel the difference within 7–10 days once the rhythm locks in.