Comment on

• Subtyping primary insomnia: is sleep state misperception a distinct clinical entity?

  Edinger JD, Krystal AD. Edinger JD, et al. Sleep Med Rev. 2003 Jun;7(3):203-14. doi: 10.1053/smrv.2002.0253. Sleep Med Rev. 2003. PMID: 12927120 Review.
• Use of sleep hygiene in the treatment of insomnia.

  Stepanski EJ, Wyatt JK. Stepanski EJ, et al. Sleep Med Rev. 2003 Jun;7(3):215-25. doi: 10.1053/smrv.2001.0246. Sleep Med Rev. 2003. PMID: 12927121 Review.
• The role of prescribed napping in sleep medicine.

  Takahashi M. Takahashi M. Sleep Med Rev. 2003 Jun;7(3):227-35. doi: 10.1053/smrv.2002.0241. Sleep Med Rev. 2003. PMID: 12927122 Review.
• Cognitive behaviour therapy for primary insomnia: can we rest yet?

  Harvey AG, Tang NK. Harvey AG, et al. Sleep Med Rev. 2003 Jun;7(3):237-62. doi: 10.1053/smrv.2002.0266. Sleep Med Rev. 2003. PMID: 12927123
• Measuring outcomes in randomized clinical trials of insomnia treatments.

  Morin CM. Morin CM. Sleep Med Rev. 2003 Jun;7(3):263-79. doi: 10.1053/smrv.2002.0274. Sleep Med Rev. 2003. PMID: 12927124 Review.