What is the best way to treat insomnia?

Find the cause. Insomnia is rarely a disease, but instead a symptom of something else occurring. For example, anxiety, depression, diabetes, prostate enlargement in men, and many other illnesses can cause insomnia. Best to find the cause of your insomnia and get that treated first.
Good Sleep Hygiene. Best way to deal with insomnia is through making sure you're using good sleep practices. Like: keeping the same sleep & wake times even on weekends; ensure that your room is quiet, dark, & cool -- with no tv or computers on; comfy bedding; avoid alcohol & meals within 3 hours of sleep; no caffeine after 12 noon; sleep ritual of soft lights, hot bath, etc. For more: http://tinyurl.Com/lpcwhxt.
Root it out. Get professional help, find the true cause and treat it.

Related Questions

What's the best way to treat insomnia when nothing else seems to work? I've tried cutting out caffeine, meditation, melatonin, prescription drugs…

Tough to do. What about exercising more, and especially enough and in some sort of activity that wears you down, but not injure you- like swimming, running, even lifting. Wish I had a better answer. Read more...
A patchwork quilt. approach is best. Try improving sleep hygiene across the board. Sleep Hygiene is Key. Retire & rise same time each day. Keep bedroom dark & cool & use only for sex & sleep. Turn off tv. No naps. Exercise regularly but not in late evening. No caffeine for 6 hrs & no alcohol or tobacco w/i 2 hrs of sleep. Keep dinner moderate sized & finish at least 2 to 3 hrs before sleep. Can try warm milk, > Read more...