hiii dear sleep disturbance is the part of depression do you have other symptoms of depression?? if yes than go for detail evaluation if u have only sleep problem than follow this to achieve natural sleep fix sleep schedule and stick on it no day time sleep avoid smoking and drinking avoid tea coffee before sleep do exercise that make u fatigue meditations light food in dinner music while u sleep cool and calm bed room use bed only when u feel sleepy other than this medicines like benzodiazepine and zolpidame useful take advise of you doctor before start get well soon thank you