Short sleep duration does not affect work disability
Sleep deficit is a well known risk factor for illness. However, a new study from BTR shows that short sleep duration in itself does not predict subsequent work disability, as long as one's daytime functioning is adequate.
Read more at forskning.no (Norwegian only).
Sivertsen B, Overland S, Pallesen S, Bjorvatn B, Nordhus IH, Mæland J, & Mykletun A. Insomnia and long sleep duration are risk factors for later work disability. The Hordaland Health Study. Journal of Sleep Research 2009; 18, 122–128.