What can I do for imsomnia?

Multiform. Insomnia is a general symptom that can be the result of many physical and emotional issues. On the emotional side, insomnia is a frequent presenting symptom of depression and/or anxiety. A trip to your primary care physician possibly followed by an evaluation by a mental health specialist would be a good idea.
Sleep hygiene . Good sleep hygiene. Use bed for sleep only. No caffeine before bed and no big meal before bed. Listen to soft music. No tv or anything that is activating you mind. You should also see your doctor for medication option.