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Royal Bengal tiger increased in Nepal

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GULARIYA — The number of royal Bengal tigers has increased in Nepal lately according to a representative survey carried out in Bardiya.

A census carried out in 2013 had counted as many as 120 royal Bengal tigers in Chitwan, 50 in Bardiya, 17 in Shuklaphanta Wildlife Reserve , seven in Parsa and four in Banke.

Though the poaching of the endangered species persists, the survey has shown a satisfying growth in the number of tigers, after the tiger conservation campaign kicked off recently.

“After the establishment of Banke National Park, the conservation of tigers in Bardiya National Park has been more effective,” said Chief Warden of Bardia National Park Ramesh Thapa.

Earlier, the tigers could be spotted in various forest areas of Tarai and Chure regions. However, in recent times, the big cats have been limited to conservation areas only.

Among the nine species of tigers, Balinese tigers (Panthera tigris balica), Caspian tigers (Panthera tigris virgata), and Javan tigers (Panthera tigris sondaica) have already gone extinct.

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Health

Sleeping in on weekends may help live longer

Gorkha Post

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Sleep deprivation has been found to have numerous negative effects on a person’s health. But the new study has shown that sleeping more on the weekend might help ease health problems associated with not getting enough during the week, and even reduce the risk of an early death.

The study, published in Journal of Sleep Research by scientists from Sweden and the United States, suggested that the negative effects of a few nights of short sleep could be counteracted by staying in bed over the weekend.

The from the Stress Research Institute (SRI) at Stockholm University and the Karolinska Institute discovered that people below 65 years old who slept less than five hours on weekends had a higher risk of early death after examining medical and lifestyle data from more than 43,000 adults, following them for a period of 13 years.

For people who slept for less than five hours throughout the week but slept longer on the weekends for about nine hours, there was no increase in mortality risk. But, for people who consistently slept for less than five hours through the whole week, the mortality risk is higher.

Torbjorn Akerstedt, one of the authors of the research and a clinical neuroscience professor from the Karolinska Institute in Sweden, said that the findings were consistent with previous studies on the link between sleep duration and mortality.

However, those previous studies only focused on sleep during weekdays.

“The results imply that short sleep is not a risk factor for mortality if it is combined with a medium or long weekend sleep,” the researchers wrote in the study.

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