What Causes Hypnagogic Jerks?
Consumption Of Caffeine

Caffeine affects the central nervous system by reducing fatigue and increasing alertness. It takes twenty minutes to take effect, and then it stays in the body for at least six hours. Not only this, but caffeine also stimulates adrenaline. Put into this context, it's not hard to see how the consumption of caffeine can lead to hypnagogic jerks. For best results, individuals should stop consuming caffeine roughly eight to ten hours before bedtime. This helps ensure the caffeine is out of their system before they head to bed for the night. Alternatively, individuals can also lessen their overall consumption of caffeine. If they typically drink four cups of coffee a day, they may wish to reduce it to three and observe the effects.
Sleep Deprivation

Hypnagogic jerks can happen at random, but certain factors do make them much more likely to occur. A lack of sleep is one of the leading contributors to sleep jerks. Reports indicate up to thirty-five percent of American adults do not get at least seven hours of sleep each night. Considering many individuals need to sleep closer to eight hours for optimal health, the percentage only gets worse. Individuals who often feel tired during the day can likely count themselves as sleep deprived. The best way to remedy sleep deprivation is to get enough quality sleep. This is more than getting the right amount; it means sticking to a consistent schedule. It also means cutting back on caffeine at night. Individuals can help reset their circadian system by spending fifteen minutes out in the sun as soon as they wake up. This sends a natural message to their body that the day has begun, preventing confusion from later light.