Intended for healthcare professionals

Letters Sleep for night shifts

Night shifts: chronotype and social jetlag

BMJ 2018; 361 doi: (Published 17 April 2018) Cite this as: BMJ 2018;361:k1666
  1. Chika E Uzoigwe, specialty doctor1,
  2. Luis Carlos Sanchez Franco, clinical nurse2
  1. 1Harcourt House, Sheffield S10 1DG, UK
  2. 2Stepping Hill Hospital, Stockport, UK
  1. chika{at}

McKenna and Wilkes’s review on optimising sleep for night shifts is insightful and useful.1 Chronotypes and social jetlag are important relevant factors.2345

Chronotype is an individual’s circadian sleeping pattern when they have no commitments influencing waking and sleeping.2 At one extreme of the chronotype spectrum are “larks,” whose circadian rhythm dictates that they go to bed early and rise early. …

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