Some of the ways pain causes insomnia include: Pain at night disrupts sleep architecture. “You need a certain amount of each stage of sleep to feel rested and for proper memory,” Tracey Marks, MD says. These stages include light sleep, deep sleep, and REM (rapid eye movement) sleep. “We normally go through 4-6 cycles of these stages per night. But if pain wakes you up, you spend too much time in light sleep,” she explains. This reduced sleep -- in particular, shortened REM -- may increase sensitivity to pain.
Posted on: Wed, 19 Jun 2013 03:00:00 +0000
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