Quick answer: Most adults need about seven to nine hours of sleep a night. Sleep hygiene means the daily habits and bedroom conditions that help you fall asleep and stay asleep.
General information only; see a health professional if you have ongoing sleep problems.
Why Sleep Matters
During sleep the body repairs tissue, the brain sorts memories, and hormones that control appetite and mood are balanced. Poor sleep over time is linked with low energy, trouble concentrating and a weaker immune system.
How Many Hours?
- Children (6-12): about 9 to 12 hours.
- Teenagers: about 8 to 10 hours.
- Adults: about 7 to 9 hours.
- Older adults: about 7 to 8 hours.
Individual needs vary. A good test is whether you wake up reasonably refreshed and stay alert during the day.
What Is Sleep Hygiene?
“Hygiene” here simply means healthy habits. Good sleep hygiene sets the stage for rest, much like cleaning the kitchen before cooking.
Habits That Help
- Keep a regular schedule. Go to bed and wake up at similar times, even on weekends.
- Create a calm bedroom. Cool, dark and quiet works best.
- Limit screens before bed. Bright light can delay sleepiness.
- Watch caffeine. Avoid coffee and strong tea in the late afternoon and evening.
- Do not eat a heavy meal late at night.
- Move during the day. Regular activity supports deeper sleep.
- Wind down. Reading or gentle stretching signals the body to relax.
Common Sleep Words
- Insomnia: ongoing difficulty falling or staying asleep.
- Circadian rhythm: your internal 24-hour body clock.
- REM sleep: the stage linked with vivid dreams.
- Power nap: a short daytime sleep of about twenty minutes.
When to Get Help
Talk to a doctor if you snore loudly, stop breathing during sleep, or feel exhausted despite enough hours in bed. These can be signs of a treatable condition.
Final Thoughts
Sleep is not a luxury; it is a basic need. Choose one or two habits from this list tonight and notice how you feel in a week.
