Which is better for sleep and starting sleep ambien or lunesta (eszopiclone)?

Try other means 1st: The best sleep is natural sleep. If you're having trouble sleeping, try simple changes: don't go to bed if you're not sleepy, avoid caffeine and alcohol, and don't exercise late in the day. Stay off your computer or phone late in the evening; bright screens can interfere with natural sleep cycles. Try meds only under a doctor's care and for occasional, not daily use. Good luck!

INSOMNIA: Getting good night's sleep is important for physical & mental health. Insomnia might be due to several reasons. Have a physical exam to rule out illness. If cleared consult with a Clinical Psychologist with expertise in multiple types of psychotherapy that helps you benefit from medication prescribed by a Psychiatrist. If uncomfortable with your Dr. seek 2nd opinion. You may need a sleep study.