More than millions of people experience tired in the day due to the poor sleep cycle. Likewise, lack of sleep at night linked to daytime sleepiness or Narcolepsy in individuals. Further, many studies reported that people with Narcolepsy have a higher risk of accidents. Again, if you are experiencing severe and long-term daytime sleepiness in your day-to-day life, talk to a doctor. Similarly, a doctor can help you find .