Texting After Dark May Harm Teens' Sleep, Grades

FRIDAY, Feb. 5, 2016 (HealthDay News) -- Instant messaging can be a source of emotional support for teens and help them collaborate on school projects, but new research shows that texting after the lights go out takes a toll on students' sleep quality and academic performance.

Too Much, Too Little Sleep During Pregnancy May Prompt Weight Gain

THURSDAY, Feb. 4, 2016 (HealthDay News) -- Sleeping too few or too many hours a night may lead to excessive weight gain during pregnancy, a new study suggests.

Anxiety Meds Like Valium, Xanax Won't Raise Seniors' Dementia Risk: Study

WEDNESDAY, Feb. 3, 2016 (HealthDay News) -- Taking one of a class of anti-anxiety pills that includes Ativan, Valium or Xanax does not increase older adults' risk of dementia, a new study finds.

Bedbug Gene Mapping May Yield Critter's Secrets

TUESDAY, Feb. 2, 2016 (HealthDay News) -- Bedbugs have been making humans' skin crawl for thousands of years as they creep out of their hiding places in bedding at night to feast on people's blood, leaving an itchy, tell-tale rash in their wake.

Health Tip: Don't Use Smartphone in the Bedroom

(HealthDay News) --If you keep a smartphone on your nightstand and take a peek just before bed, you may be jeopardizing your sleep.

Sleepless Nights Might Raise Women's Type 2 Diabetes Risk

THURSDAY, Jan. 28, 2016 (HealthDay News) -- Women who have chronic sleep problems may have an increased risk of developing type 2 diabetes, Harvard researchers report.

Too Much Social Media Could Mess Up Your Sleep, Study Finds

WEDNESDAY, Jan. 27, 2016 (HealthDay News) -- Young adults who spend too much time on Facebook, Twitter and Instagram may pay the price in poor sleep, new research suggests.

Health Tip: Wake Up More Refreshed

(HealthDay News) -- Having trouble waking bright-eyed and bushy-tailed? An irregular schedule, holidays, vacations and more can make it tough to get up with the alarm.

Catch-Up Sleep May Reverse Type 2 Diabetes Risk Tied to Sleep Loss: Study

MONDAY, Jan. 18, 2016 (HealthDay News) -- Though prior research warns that sleep deprivation may increase the risk of type 2 diabetes, a new study suggests that "catch-up" sleep might reverse that risk -- at least in the short-term.

For Seniors, Poor Sleep May Mean Higher Stroke Risk, Study Suggests

THURSDAY, Jan. 14, 2016 (HealthDay News) -- Poor sleep may raise seniors' risk of hardening of the brain arteries, and possibly contribute to the chances of a stroke, a new study suggests.