Detailed Instructions: In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Q: By Karen Pallarito 
  
 HealthDay Reporter 
  
 (HealthDay) 
  
 MONDAY, Sept. 12, 2016 (HealthDay News) -- Some women have trouble staying asleep, and a new small study may shed light on why. 
  
 Women's internal, or circadian, body clocks run at a faster pace than men's, according to the research. 
  
 It's as if women operate in a different "internal time zone," said study lead author Dr. Diane Boivin, professor of psychiatry at McGill University in Montreal. 
  
 "They go to bed at a later biological time because their clock is shifted earlier, eastward," Boivin said. 
  
 Boivin also directs the Centre for Study and Treatment of Circadian Rhythms at Douglas Mental Health University Institute in Montreal, a McGill affiliate. 
  
 The way women sleep throughout the 24-hour circadian day also outpaces men, the study showed. 
  
 Boivin said these two findings explain why women's sleep-wake cycle runs about two hours ahead of men. 
  
 Women are more likely than men to report insomnia at least a few days a week and experience daytime sleepiness, according to the National Sleep Foundation, a U.S.-based nonprofit organization. 
  
 What makes this new study unique is that the researchers controlled for women's menstrual cycle phases and hormonal contraceptive use. Reported sleep differences occurred regardless of hormonal changes, which can affect sleep, the study authors said. 
  
 "Even though the study is small, it definitely adds knowledge to our scientific literature on sex differences in sleep in context of circadian rhythm," said Monica Mallampalli, vice president of scientific affairs at the Society for Women's Health Research in Washington, D.C. 
  
 Jennifer Martin, associate professor at the David Geffen School of Medicine at the University of California, Los Angeles, suggested: "Perhaps women are predisposed to having insomnia based on their circadian phase." 
  
 "In the face of similar stressors, women are more likely than men to experience poor sleep as a result," Martin said. 
  
 The study was reported Sept. 12 in the Proceedings of the National Academy of Sciences. It involved 15 men and 11 women, about 25 years old, on average. 
  
 Over a 36-hour period, participants were isolated in a windowless room where researchers controlled their exposure to light and monitored changes in core body temperature, melatonin levels, sleep and alertness. 
  
 The researchers used what Boivin called a "cat-nap approach," consisting of alternating one-hour waking episodes followed by hour-long nap opportunities. Lights were turned on, but very dim, when it was time to wake and turned off during sleep. 
  
 "What we're doing is basically scheduling sleep opportunities at different times of day and allowing several days of observation," she explained. 
  
 Women in the study scored lower on subjective measures of nighttime alertness compared with men. It may help explain why female shift workers have greater fatigue, sleepiness and risk for work-related injury, the study authors noted. 
  
 The end of night appears to be a particularly vulnerable period for women, the study showed. During that period, the sleep signal was not as strong in women as in men. 
  
 It's one of the reasons women may be more susceptible to early morning awakenings, Boivin said. 
  
 And while women's circadian rhythms differed from men's, their "habitual bed and wake times" were similar, the study authors said. 
  
 "Based on the findings, women are falling asleep when their brain and body are more prepared for sleep," said UCLA's Martin. But they're having "a difficult time staying asleep later in the night." 
  
 Women who have trouble staying asleep should minimize factors in their sleep environment that could be disruptive and stick as much as possible to a consistent morning rise-time that aligns with their natural wake-up time, Martin said. 
  
 More information 
  
 The National Sleep Foundation has more about women and sleep. ||||| You may have noticed that women are more prone to sleep disturbances than men. They are, for instance, up to twice as likely to suffer from insomnia than men. Could there be a link between the body clock that regulates sleep and being a female or a male? Yes, according to an original study conducted by Dr. Diane B. Boivin of McGill University’s Department of Psychiatry and the Douglas Mental Health University Institute. 
  
 By controlling for the menstrual cycle and hormonal contraceptive use, Dr. Boivin shows, in the Proceedings of the National Academy of Sciences (PNAS), that the body clock affects sleep and alertness differently in men and women. 
  
 “For a similar sleep schedule, we find that women’s body clock causes them to fall asleep and wake up earlier than men. The reason is simple: their body clock is shifted to a more easterly time zone,” says the Director of the Centre for Study and Treatment of Circadian Rhythms at the Douglas Institute, one of the research centres of the CIUSSS de l’Ouest-de-l’Île-de-Montréal. 
  
 And, she adds, “This observed difference between the sexes is essential for understanding why women are more prone to disturbed sleep than men.” 
  
 A novel experiment 
  
 In this study, the medical researcher’s team compared in 15 men and 11 women variations in sleep and alertness regulated by the body clock. The women who were recruited were cycling naturally and were studied during two phases of their menstrual cycle. This is a crucial point because previous research by Dr. Boivin had shown that the phase of the menstrual cycle affects the biological rhythms of body temperature and sleep. 
  
 “Our participants did not exhibit any sleep problems during the study. Just the same, our results are helping us understand, among other things, why women are more likely than men to wake up earlier in the morning and feel tired after a night’s sleep. As well, women are less alert at night than men,” explains Boivin. 
  
 Thus, the results of this study hint that women could be less biologically suited for night work. Further research will be necessary to explore this matter and develop interventions suited to men’s and women’s health. 
  
 More than a third of the Canadian population experiences sleep disturbances. One consequence of this is that close to 15% of adults have functional problems. 
  
 This research was funded by the Canadian Institutes of Health Research (CIHR), the Fonds de la recherche du Québec – Santé (FRQ-S) and the Institut de Recherche Robert Sauvé en Santé et en Sécurité du Travail. 
  
 The article “Diurnal and circadian variation of sleep and alertness in men versus naturally cycling women” was published in PNAS on September 12, 2016. 
  
 DOI : http://www.pnas.org/content/early/2016/09/09/1524484113 
  
 About Dr. Diane B. Boivin 
  
 Diane B. Boivin (MD, PhD) is a research physician, founder/director of the Centre for Study and Treatment of Circadian Rhythms at the Douglas Mental Health University Institute and Full Professor at McGill University’s Department of Psychiatry. She is internationally recognized for her expertise in human circadian rhythms and their application in problems adapting to atypical work schedules and for the management of risks related to fatigue and jet lag. 
  
 About the CIUSSS de l’Ouest-de-l’Île-de-Montréal 
  
 The Centre intégré universitaire de santé et de services sociaux (CIUSSS) de l’Ouest-de-l’Île-de-Montréal is made up of the CSSS de l’Ouest-de-l’Île, the CSSS de Dorval-Lachine-LaSalle, St. Mary’s Hospital, St. Anne’s Hospital, Douglas Mental Health University Institute, West Montreal Readaptation Centre, Grace Dart Extended Care Centre, and Batshaw Youth and Family Centres. 
  
 The Douglas Mental Health University Institute is a world-class institute affiliated with McGill University and the World Health Organization. It treats people suffering from mental illness and offers them both hope and healing. Its teams of specialists and researchers are constantly increasing scientific knowledge, integrating this knowledge into patient care, and sharing it with the community in order to educate the public and eliminate prejudices surrounding mental health. 
  
 Source 
  
 Centre intégré universitaire de santé et de services sociaux de l’Ouest-de-l’Île-de-Montréal 
  
 For information and interviews 
  
 Bruno Geoffroy 
  
 Information officer 
  
 Public relations services 
  
 Media relations – Academic mission 
  
 Centre intégré universitaire de santé et de services sociaux de l’Ouest-de-l’Île-de-Montréal 
  
 Tél. : 514 630-2225 ext. 5257 
  
 relations.medias.comtl [at] ssss.gouv.qc.ca |||||
A:
Stuck counting sheep while your hubby sleeps soundly? A new study suggests you're not alone. McGill University researchers explain that while men and women tend to go to bed and rise at roughly the same times, women have more trouble staying asleep—because their internal body clocks are dfferent, reports HealthDay News. "Women’s body clock causes them to fall asleep and wake up earlier than men," says study author Diane Boivin of McGill University in a release. "The reason is simple: their body clock is shifted to a more easterly time zone.” Researchers came to that conclusion after measuring levels of sleep and alertness in 15 men and 11 women monitored over 36 hours. Female participants appeared more tired and therefore less alert at night than men, meaning they may be "less biologically suited for night work" and more likely to suffer work-related injuries, writes Boivin. The female sleep signal was also weaker than the male signal at the end of a night, meaning women may have "a difficult time staying asleep later in the night," says a UCLA professor. "Perhaps women are predisposed to having insomnia based on their circadian phase." The study could also help explain why women tend to be more likely to feel drowsy during the day and more likely to suffer from sleep problems, researchers say. (Here's why it's hard to sleep in a strange place.)