method to her patients who suffer from severe sleep inertia
Duration of sleep inertia
after napping during simulated night work and in extended operations.
Lastly, lifestyle (psycho-biological) influences affecting timing preferential in activities, sleeping patterns and the ability to cope with sleep inertia
and loss must also be considered.
The effects of sleep inertia
even without sleep medication has previously been shown to cause cognitive impairment, said Wright.
Despite your need for safely operating the vehicle and the desire to get home, your body's sleep inertia
has taken over and you can no longer resist sleep.
By waking up in the light sleep stage, there will be less sleep inertia
and it will be easier to get out of bed.
Circadian phase (or biological clock time), the period of wakefulness, prior sleep duration and sleep inertia
all influence alertness and performance (15).
And, for a short while at least, the effects of sleep inertia
- the groggy period just after waking up - may be as bad, or even worse, than being drunk.
Coffee is particularly effective in reducing sleep inertia
, the feeling of grogginess and intellectual impairment that many individuals experience immediately after awakening.
Moreover, they raised questions they were not able to answer conclusively as to whether naps of longer or shorter duration may be more effective, over what postnap period the performance effects remain, and whether sleep inertia
(the grogginess experienced after waking) is a significant concern.
Known as sleep inertia
, this period lasts an average of 15-20 minutes, but can last up to 2 hours in rare cases.