Wrist Actigraphic Measures of Sleep in Space
SLEEPPublished 1 October 1999Open access
T. H. Monk, Daniel J. Buysse, Lynda R. Rose
Citations51
SJR quartileQ1
SJR score1.80
SNIP1.63
Generate an AI Snapshot to get a quick, structured summary of this paper.
Study Snapshot
ObjectiveStudy objective
MethodsResearch methodology
PopulationPopulation studied
Sample sizeSample sizes
OutcomesStudy outcomes here
ResultsStudy results comes here
LimitationsResearch study limitations comes here
A concise AI-generated summary of the paper will appear here once you click Generate AI Snapshot.
TL;DR
Actigraphy worked well in space both as a way of detecting bedtimes and waketimes, and as an indicant of sleep restlessness.
Abstract
Actigraphy worked well in space both as a way of detecting bedtimes and waketimes, and as an indicant of sleep restlessness.
Keywords
PsychologyMedicineNeuroscience
SLEEPActivity-Based Sleep-Wake Identification: An Empirical Test of Methodological Issues
1,441 Citations1994Avi Sadeh, Melinda S. Sharkey +1 more
Statistical manipulation of activity levels before applying the scoring algorithm indicated that this algorithm is quite robust toward moderate changes in activity level, and was consistently higher than for wake scoring.
Journal of Sleep ResearchThe alteration of human sleep and circadian rhythms during spaceflight
167 Citations1997A. Gundel, V.V. Polyakov +1 more
Most likely, altered circadian zeitgebers on MIR and a deficiency in the process S of Borbély's sleep model cause the observed findings, and the change in process S may be related to changes in physical activity as a result of weightlessness.
Journal of Biological RhythmsSleep and Circadian Rhythms in Four Orbiting Astronauts
125 Citations1998Timothy H. Monk, Daniel J. Buysse +3 more
Circadian rhythms in orbit appeared to be very similar in phase and amplitude to those on the ground, and were appropriately aligned for the required work/rest schedule, which was reflected in mood, alertness, and performance scores, which were satisfactory at both in-flight time points.
PubMedAnalysis of sleep on Shuttle missions.
101 Citations1988P Santy, H Kapanka +2 more
The results suggest that sleep disruption is a common occurrence on Shuttle missions and further studies are suggested to develop strategies for coping with this potential problem.
Journal of Molecular MedicineSleep and circadian rhythm during a short space mission
65 Citations1993A. Gundel, V. Nalishiti +3 more
The circadian rhythms of body temperature and alertness were found to be delayed in space compared to baseline, which may mark a phase shift or the transition to a circadian state of free-run.
PubMedSleep monitoring: the second manned Skylab mission.
47 Citations1976Frost Jd, Shumate Wh +2 more
It is suggested that men are able to obtain adequate sleep in regularly scheduled 8-h rest periods during extended space flights, and it seems likely that the problems encountered in earlier space flights did not arise from the zero-g environment per se but possibly were a result of more restricted living and working areas in the pre-Skylab spacecraft.
The Journal of Clinical PharmacologySleep and Circadian Rhythms in Space
43 Citations1994Claudio Stampi
A detailed critical review of the knowledge accumulated in the last three decades concerning research on sleep, work—rest schedules, and circadian rhythms in space concludes that satisfactory sleep and alertness is more likely to occur if crews maintain a reasonable relation with their normal terrestrial rhythm.