Main complications of insomnia (See <a href="https://en.wikipedia.org/wiki/Insomnia" class="extiw" title="wikipedia:Insomnia">Wikipedia:Insomnia</a>).
To discuss image, please see <a href="//commons.wikimedia.org/wiki/Template_talk:Human_body_diagrams" title="Template talk:Human body diagrams">Template talk:Human body diagrams</a>
<a href="https://en.wikipedia.org/wiki/User:Mikael_H%C3%A4ggstr%C3%B6m" class="extiw" title="en:User:Mikael Häggström">Mikael Häggström</a>
All used images are in public domain.