8 hours is ideal: 4 hour sleep cycles & more if you are sick or stressed
Positive thoughts in your head: Meditate, affirmations, gratitude list, pray etc
Avoid overstimulation before bed: TV, computers, Facebook, emails
Avoid stimulants before bed: Caffeine, sugar, sweets etc
Ensure you have a good contour pillow: Replace every 6-12 months
Have your mattress professionally fitted: Every spine is different
Avoid lying on your stomach: It places extra pressure on the spine