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Arch Ital Biol. 1997 Jun;135(3):219-28.

The effect of optokinetic stimulation on daytime sleepiness.

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Laboratory of Neurophysiology, Massachusetts Mental Health Center, Harvard Medical School, Boston 02155, USA.
Brandeis U, Waltham, MA


This study examined the effect of optokinetic stimulation on objective sleepiness, as measured by the Multiple Sleep Latency Test (MSLT). The Nightcap, a portable sleep monitor, was used in a novel way to perform MSLTs, as well as record sleep in the home. Subjects wore the Nightcap for seven consecutive nights. On days 3 and 5 of the protocol, subjects came into the lab for an MSLT. On the experimental day, subjects underwent 10 minutes optokinetic stimulation (OKS), resulting in moderate motion sickness prior to each MSLT trial. Although subjects in the OKS condition reported significantly more drowsiness than controls, this did not result in significantly reduced sleep latencies.

[Indexed for MEDLINE]

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