How to get quality sleep ?

Good sleep hygiene: 1.Keep regular bed & wakening time (even weekends). Get up same time daily. 2. Use regular, relaxing bedtime routine: warm bath / shower, aromatherapy, reading, or listening to gentle music. 3. Sleep in dark, quiet, cool room w comfy mattress & pillows. 4. Bedroom only for sleep & sex. Put work materials, computers, & TVs in another room. 5. Finish eating at least 2-3 hrs prior to bed.

Sleep hygiene.: You need to get back on a schedule for sleep. To reset your sleep clock, go to bed at the same time every night, awaken at the same time every morning, don't nap during the day, use the bed for sleeping (not eating, TV watching, reading, etc), if you awaken during the night, stay in bed until your determined awakening time. Shoot for 6 to 9 hours of sleep nightly.

Insomnia: Insomnia is a sleep disorder that is characterized by difficulty falling and/or staying asleep. http://www.webmd.com/sleep-disorders/guide/insomnia-symptoms-and-causes#1