Ambient temperature that induces maximum sleep in rats

Ambient temperature-dependent thermoregulatory role of REM sleep

“…The three compartments of the chamber were maintained at 271, 301, and 33 1C respectively. These three T amb were selected on the basis of the existing literature; 27 1C being the T amb preferred by the rats as per the earlier report (Gulia et al, 2005;Kumar et al, 2009;Ray et al, 2004Ray et al, , 2005 and 30 1C and 33 1C being the temperatures shown to induce maximum sleep (Gulia et al, 2005;Kumar et al, 2009).…”

“…Several studies suggested that S-W in rats is sensitive to T amb (Gulia et al, 2005;Kumar et al, 2009;Schmidek et al, 1972;Szymusiak and Satinoff, 1981). A moderately warmer T amb (30 1C) promotes sleep in normal rats (Gulia et al, 2005;Kumar et al, 2009;Sakaguchi et al, 1979;Szymusiak and Satinoff, 1981).…”

“…A moderately warmer T amb (30 1C) promotes sleep in normal rats (Gulia et al, 2005;Kumar et al, 2009;Sakaguchi et al, 1979;Szymusiak and Satinoff, 1981). This increase in sleep is probably a thermoregulatory response to thermal load (Obal et al, 1983).…”

“…It is generally assumed that one sleeps more at a comfortable temperature. When rats are given the choice of different T amb to select from, they prefer to stay in 27 1C T amb (Gulia et al, 2005;Kumar et al, 2009;Ray et al, 2004Ray et al, , 2005. However, they had maximum total sleep time (TST), when they were kept at 30 1C (Gulia et al, 2005;Kumar et al, 2009;Mahapatra et al, 2005;Sakaguchi et al, 1979;Szymusiak and Satinoff, 1981).…”

“…When rats are given the choice of different T amb to select from, they prefer to stay in 27 1C T amb (Gulia et al, 2005;Kumar et al, 2009;Ray et al, 2004Ray et al, , 2005. However, they had maximum total sleep time (TST), when they were kept at 30 1C (Gulia et al, 2005;Kumar et al, 2009;Mahapatra et al, 2005;Sakaguchi et al, 1979;Szymusiak and Satinoff, 1981). This influence of warm T amb on sleep is probably mediated by warm receptors, as the increased T amb does not produce a significant change in sleep of rats with destroyed warm receptors Obal et al, 1983).…”