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- Title
Sleep Profile and Longevity in Three Generations of a Family of Captive Bolivian Aotus.
- Authors
Kantha, Sachi; Suzuki, Juri
- Abstract
The daily total sleep time (TST) of the only nocturnal simian primate, Aotus spp., remains little studied under controlled conditions. We conducted 3 experiments in 4 owl monkeys (Aotus sp.), aged 1–27+ yr, to determine the daily TST. We housed 3 their—a nuclear family—in 1 cage and the remaining senescent female in an adjacent separate cage. We monitored their activity-sleep pattern longitudinally for 15–20 d via actigraphy: by tagging an acclerometer-type miniature transmitter (Actiwatch-MINIMITTER) sensitive to omnidirectional movement, to the owl monkey's neck. The TST (9.5–12.5 h) was ca. 4.5–7 h less than the 17 h Perachio reported for owl monkeys in 1971 by polysomnography, under similar 12-h-light; 12-h dark conditions. Our finding corroborates well with the TST for other nonhuman primates. Four members of the Aotus colony at our facility reached 20 yr in captivity; the oldest (wild-born female) is still living at >27 yr, and the second oldest (captive-born male), is 23 years now.
- Subjects
NIGHT monkeys; NYCTIPITHECIDAE; PRIMATES; ACTIGRAPHY; NOCTURNAL animal behavior
- Publication
International Journal of Primatology, 2006, Vol 27, Issue 3, p779
- ISSN
0164-0291
- Publication type
Article
- DOI
10.1007/s10764-006-9047-y