Featured Research

from universities, journals, and other organizations

Decreased Total Sleep Time Associated With Increased REM Sleep During Subsequent Naps

Date:
June 10, 2008
Source:
American Academy of Sleep Medicine
Summary:
Decreased nightly total sleep time, even within the normal range, is associated with an increased percentage of REM sleep during subsequent naps.

Decreased nightly total sleep time, even within the normal range, is associated with an increased percentage of REM sleep during subsequent naps, according to a research abstract that will be presented on June 10 at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS).

The study, authored by Jennifer Kanady, of the University of California at San Diego, focused on 24 healthy subjects, who wore an actigraph for seven nights while adhering to a regular sleep-wake schedule followed by a 90-minute, polysomnographically-recorded nap. The influence of two-night and seven-night averages of total sleep time immediately prior to the nap on nap architecture was examined.

According to the results, less prior nightly total sleep time increased the percentage of REM sleep during the nap. Average total sleep time did not affect any other architecture variable of the nap. Bed and wake time appear to influence REM sleep percentage only in the short-term.

"The findings of our study indicate that minute differences in 'normal' sleep duration influence the percentage of REM sleep obtained in a subsequent afternoon nap," said Kanady. "Specifically, 10 minutes less sleep per night led to a 1.3 percent increase in nap REM percentage. These results may have important implications for studies examining sleep-dependent memory consolidation, particularly those studies that highlight the importance of REM sleep."

It is recommended that adults get between seven and eight hours of nightly sleep.


Story Source:

The above story is based on materials provided by American Academy of Sleep Medicine. Note: Materials may be edited for content and length.


Cite This Page:

American Academy of Sleep Medicine. "Decreased Total Sleep Time Associated With Increased REM Sleep During Subsequent Naps." ScienceDaily. ScienceDaily, 10 June 2008. <www.sciencedaily.com/releases/2008/06/080610071936.htm>.
American Academy of Sleep Medicine. (2008, June 10). Decreased Total Sleep Time Associated With Increased REM Sleep During Subsequent Naps. ScienceDaily. Retrieved September 22, 2014 from www.sciencedaily.com/releases/2008/06/080610071936.htm
American Academy of Sleep Medicine. "Decreased Total Sleep Time Associated With Increased REM Sleep During Subsequent Naps." ScienceDaily. www.sciencedaily.com/releases/2008/06/080610071936.htm (accessed September 22, 2014).

Share This



More Health & Medicine News

Monday, September 22, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Sierra Leone in Lockdown to Control Ebola

Sierra Leone in Lockdown to Control Ebola

AP (Sep. 21, 2014) Sierra Leone residents remained in lockdown on Saturday as part of a massive effort to confine millions of people to their homes in a bid to stem the biggest Ebola outbreak in history. (Sept. 20) Video provided by AP
Powered by NewsLook.com
Sierra Leone's Nationwide Ebola Curfew Underway

Sierra Leone's Nationwide Ebola Curfew Underway

Newsy (Sep. 20, 2014) Sierra Leone is locked down as aid workers and volunteers look for new cases of Ebola. Video provided by Newsy
Powered by NewsLook.com
Changes Found In Brain After One Dose Of Antidepressants

Changes Found In Brain After One Dose Of Antidepressants

Newsy (Sep. 19, 2014) A study suggest antidepressants can kick in much sooner than previously thought. Video provided by Newsy
Powered by NewsLook.com
Could Grief Affect The Immune Systems Of Senior Citizens?

Could Grief Affect The Immune Systems Of Senior Citizens?

Newsy (Sep. 19, 2014) The study found elderly people are much more likely to become susceptible to infection than younger adults going though a similar situation. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins