Keep in sync with your body’s natural sleep-wake cycle

• Keep noise down. Earplugs may help.
• Keep your room cool (around 65° F /18° C).
• Make sure your bed is comfortable. 
• Reserve your bed for sleeping and sex. No TV or working in bed - it will be easier to...

• Limit caffeine and nicotine.
• Avoid big meals at night (within 2 hours of bed).
• Avoid alcohol before bed.
• Avoid drinking too many liquids in the evening.
• Cut back on sugary foods and refined carbs.

• People who exercise regularly sleep better at night and feel less sleepy during the day. 
• The more vigorously you exercise, the more powerful the sleep benefits. But even light exercise improves sleep quality.
• It can take several months of regular activity before you experien...

• Try not to stress over your inability to fall asleep again.
• Make relaxation your goal, not sleep.
• If you’ve been awake for more than 15 minutes, get out of bed and do a quiet, non-stimulating activity.
• Postpone worrying and brainstorming.

If you need a bedtime snack, try:

• Half of a turkey sandwich
• A small bowl of whole-grain, low-sugar cereal
• Milk or yogurt
• A banana

• Deep breathing. Close your eyes and take deep, slow breaths, making each breath even deeper than the last.
• Progressive muscle relaxation. Starting with your toes, tense all the muscles as tightly as you can, then completely relax. Work your way up to...

During the day:

• Expose yourself to bright sunlight in the morning. 
• Spend more time outside during daylight. 
• Let as much natural light into your home or workspace as possible.

At night:

• Avoid bright screens withi...