Severe insomnia. 3 hours laying in bed not able to go to sleep.then stay up till 7 am. ambien (zolpidem) zolpidem not working at all.what to do please help?

You list apnea.: Is that sleep apnea? This may require input from a sleep medicine specialist. Your Obesity could be contributing to this. How is your sleep hygiene? Work on developing excellent 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