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What are the causes of insomnia?

Stress
Travel and work schedule
Poor sleep habits
Eat too much at night
Mental health disorders
Medication
Caffeine
Changes in sleep habits
Changes in activity

Prescription medication for insomnia:

Eszopiclone
Ramelteon
Zaleplon
Zolpidem

Over the counter medication in insomnia:

Antihistamine

Life style modification:

Stick to sleep timetable
Stay active
Check your medication
Avoid or limit naps
Limit caffeine
Avoid large meals before bedtime
Make your room comfortable to sleep
Find ways to relax

How to diagnose insomnia?

Physical examination
Sleep study
Review sleep habits
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