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Are leg and foot cramps waking you up at night? You’re not alone.

The Washington Post
August 5, 2017
By Jill U. Adams

Dr. Andrew Westwood, a sleep medicine specialist at Columbia University Medical Center, came across a different idea serendipitously. Patients who had begun using continuous positive airway pressure (CPAP) machines for sleep apnea would volunteer to him that their nighttime cramps had gone away. Westwood and his colleagues started keeping track and published their case reports.

Westwood says it’s not clear why sleep apnea and nighttime leg cramps might be related. Still, he says, "now when patients tell me they have cramps, I think, hmm . . . sleep apnea?" [read more]