But that can be a mistake, because "your body learns to be in bed awake," said Dr. Alcibiades J. Rodriguez, a neurologist and medical director of the Comprehensive Epilepsy Center-Sleep Center at NYU Langone Health.

这句话的to be in bed awake这个awake在这里什么语法结构？in bed 修饰awake 还是awake 修饰in bed?