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effects of insomnia

Insomniacs (and shift workers) may be losing brain cells

I've already written about research suggesting that insomnia reduces IQ and cognitive function - now a study has found that sleep deprivation may actually kill brain cells. Scientists at the University of Pennsylvania found that sleep deprived mice lost up to 25% of certain brain cells. Researchers attempted to mimic [...]

The link between insomnia and gastroesophageal reflux disease (GERD)

Back in November of last year I wrote about a Japanese study that found insomnia sufferers were 56% more likely to be diagnosed with gastroesophageal reflux disease (GERD) compared to healthy sleepers. Now a study out of Korea has further strengthened this link. The newer study involved 564 individuals with [...]

Insomnia linked to higher levels of anticipatory anxiety

There's an undeniable link between stress, anxiety and insomnia. Normally we hear that stress and anxiety cause insomnia. However, a recent study suggests that insomnia itself is to blame for at least one form of anxiety. Anticipatory anxiety is the anxiety we feel when we think about a potential threat. [...]

Does a weekend lie-in make up for sleep deprivation during the week?

The short answer: to some extent. A study published in the American Journal of Physiology deprived 30 healthy men and women of 2 hours of sleep each night for a week. Unsurprisingly, the researchers found that sleep deprivation led to higher levels of sleepiness, decreased daytime performance and an increase [...]

Does insomnia make your brain function differently?

Your brain has a strong influence on your sleep - and now a new study suggests that those who claim to have insomnia show differences in brain function compared to healthy sleepers. The study in question looked at 25 people who reported suffering from insomnia and 25 people who claimed [...]

The worst type of insomnia is finally revealed

Not that there's any 'good' type of insomnia, of course. Researchers recently set out to determine the extent of insomnia's damaging effects - specifically daytime impairment. This includes concentration, mood, energy levels, relationships and work functioning. The study involved over 10,000 participants. Of these, around half suffered from insomnia. 83% [...]