A hypnagogic jerk (also called a hypnic jerk) is an involuntary muscle spasm that occurs as a person falls asleep. Individuals may experience a falling sensation (or even dream of falling), causing them to jerk and awake. Some individuals may only experience a small twitching, that’s only noticeable to a spouse or caretaker, and not […]
Most people have noticed that they tend to wake up at the same time every night. Despite their efforts to make small changes in their sleep routine, such as going to bed later or earlier, the pattern persists. It’s important to realize that waking up at the same time every night is harmless and has […]
Sleep latency refers to the amount of time it takes you to fall asleep after the lights have been turned off. Ideally, this transition from full wakefulness to sleep should occur relatively fast, without too much time spent trying to fall asleep.
Sleep Latency and Sleep Efficiency
There is a direct relationship between sleep latency and sleep […]
Sleep inertia refers to a period of impairment after waking, marked by intense grogginess. If you regularly awaken from sleep, only to have the unshakeable urge to fall back asleep, it’s entirely possible you could be suffering from sleep inertia. This can pose an inconvenience to some and even danger to others—particularly for workers who […]
To understand circadian rhythm sleep disorders, it is essential first to understand circadian rhythm. The circadian rhythm is the body’s natural “clock” that occurs over a 24-hour period.
In addition to other bodily functions, it dictates the body’s natural inclination for sleepiness as well as wakefulness. Most individuals are naturally most sleepy around 11 p.m., and […]
For those dealing with irregular or abnormal sleep, it’s important to reveal the presence of a sleep disorder so that effective treatment may be given. Fortunately, many useful methods for sleep disorder diagnosis exist, and below we’ll outline some available options.
This simple method of sleep disorder diagnosis requires a clothespin-shaped probe to be worn […]
What Is Narcolepsy?
Narcolepsy is a sleep disorder that
is characterized by excessive
sleepiness, sleep attacks, sleep
paralysis, hallucinations, and even sudden loss of muscle control also called cataplexy.
It is uncommon, only affecting one in 2,000 to 3,000 people. Narcolepsy is
typically diagnosed in individuals between the ages of 15 and 25 but can go
undiagnosed for many years.
For people with narcolepsy, […]
What Is REM Sleep?
Did you know that your body goes through multiple cycles of sleep every
night as you rest? Many individuals have heard of sleep cycles, but to
understand more about the importance of REM sleep, we should first gain more understanding.
REM stands for Rapid Eye Movement, after the way the eyes tend to shift
back and […]
While we all love the feeling of evening sleepiness that
leads to experiencing a great night’s sleep, having excessive feelings of
sleepiness during the day can be problematic if not addressed and treated.
Excessive daytime sleepiness may be a significant detriment to both your health
and safety. Excessive daytime sleepiness can lead to psychological and
emotional issues such as anxiety, […]
We’ve all experienced it: you go out for a nice lunch with
plenty of energy, only to return to work constantly yawning and fighting the
urge to rest your head on your desk. Afternoon sleepiness is very common, and
you may wonder, “Is my food what causes me to get so sleepy?” While a full
stomach may not help […]