Clinical recommendation	Evidence rating	References
CBT should be used as initial treatment for chronic insomnia.	A	2, 3, 5, 17–21
CBT for chronic insomnia is as effective as medications, and the results are more sustainable.	B	2–7
Medications may be useful for acute insomnia when immediate symptom relief is desired.	C	18
Stimulus control and sleep restriction are effective in the treatment of chronic insomnia.	B	5, 9, 17