Answer: Insomnia
Explanation: Insomnia is considered as a sleeping disorder .In this case the person having disorder is not able to fall asleep or not able to stay asleep. The symptoms like sudden waking up from sleep at night hours, early waking up during morning time, not able to go back to sleep etc.
Other options are incorrect because enuresis is the lack in control of bladder, narcolepsy is falling asleep in a calm and relaxing environment and REM sleep behavior disorder defines act of coming out from the intense dreams.Thus, the correct option is insomnia
People with asthma should obtain a medical clearance before beginning an exercise program.
Correct answer it answer is B I think