- Lack of Sleep : lack of sleep is a condition of not having enough sleep. A chronic sleep deprivation state can affect some cognitive functions in the brain.
- Change of sleeping schedule : Sleep paralysis can occur when you change your sleeping time maybe due to a change in your work shift. This will occur because your body is not used to its new resting time, and so is still in the process of getting adapted to the new time.
- Mental conditions such as Stress or Bipolar disorder. Too much stress and overthinking can lead to sleep paralysis. Mental or emotional stress can make you hallucinate in your sleep due to how busy your subconcious is.
Other sleep problems such as narcolepsy or nighttime leg cram, sleeping on your back.
- Narcolepsy : This is a chronic sleep disorder with excess daytime drowsiness. The main cause of this is not yet known, but research shows it may involve generic factors. With this condition, you may have sudden attacks in your sleep, and muscle cramps on the leg.
Other causes of sleep paralysis include Sleeping on your back, Hypertension and anxiety disorders.
Sleep Paralysis 