insufficient sleep syndrome

in·suf·fi·cient sleep syn·drome

(in'sŭ-fish'ĕnt slēp sin'drōm)
A condition in which patients typically get less sleep than they need, due to stress, chemical agents (e.g., caffeine), or neurologic disorder.
References in periodicals archive ?
The differential diagnosis includes narcolepsy, sleep apnea, and other conditions; most importantly, insufficient sleep syndrome must be carefully considered and excluded.
Academic performance among adolescents with behaviorally induced insufficient sleep syndrome. J Clin Sleep Med.
"Most adults appear to need at least seven hours of quality sleep each night for optimal health, productivity and daytime alertness." According to the SM, most people who regularly get six hours of sleep or less are restricting their sleep and suffer from insufficient sleep syndrome, which occurs when an individual persistently fails to obtain the amount of sleep required to maintain normal levels of alertness and wakefulness.
In these instances, it may be that shift work is incompatible with the patient's lifestyle, resulting in behaviorally induced insufficient sleep syndrome. In patients with SWD, however, insomnia and/or excessive sleepiness persist despite attempts to fitly accommodate the altered work schedule.