Sleep promotion protocol
Behavioral: sleep and circadian rhythm promotion including timed light exposure.
Sleep and circadian rhythm promotion
This multifaceted intervention will attempt to enhance sleep and circadian rhythmicity through improved scheduling of nursing procedures, enforcement of a day/night routine, increased light exposure during the day, and decreased light and sound exposure during the night. Supplemental bright lights and eyeshades and noise cancelling headphones may also be employed.
Behavioral: usual care.