This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Board-certified sleep medicine physician Dr. Raj Dasgupta describes the signs and symptoms of narcolepsy, which include excessive daytime sleepiness and muscle weakness, and shares potential treatment options to alleviate symptoms. ShareTweet