Sleep Extension versus Nap or Coffee – Review

HORNE, J., ANDERSON, C. and PLATTEN, C. (2008), Sleep extension versus nap or coffee, within the context of ‘sleep debt’. Journal of Sleep Research, 17: 432–436. doi: 10.1111/j.1365-2869.2008.00680.x

An interesting article comparing three methods of reducing daytime sleepiness against a control group.

The setup was to test one countermeasure each week, in one test day a week, to see the effects of:

  1. usual sleep (control group)
  2. sleep extension (sleeping up to 90 minutes longer at night)
  3. afternoon nap (20 minutes sleep within 30 minute period)
  4. afternoon coffee (2 cups of coffee) Continue reading