Therapy is not just taken for disorder but also distress and dveleopment. In yourcase its lokk like a distress. Therapy will help for sure. Proper diagnosis is needed by a psychologist as depression and anxiety go hand in hand. As insomnia is more of anxiety related disorder and feeling low is depression. See a therapist that works on all three beliefs of negative view about self others and future. The hopelessness needs to be targeted first.
Next Steps
See a CBT therapist like us who has a action plan treatment strategy
Health Tips
If the despair is severe and psychologist suggestion and action plan.