To solve the problem for the tourists who have insomnia, because the locals, we have a workaround, as follows in a well-lit room, not under room temperature and do them properly.
The solution for travelers who have insomnia because they are endemic, we have a solution to make the room light, the brightness is not bright enough and do not provide the proper temperature.
A solution for travelers with symptoms of insomnia because strange, we have the following remedies to make in the light of real enough to not too bright and room temperature properly.