Tagged: sleep

Sleepwalking, Sex, and Murder: Part Three - Guest Work

Jean Balchin Jan 10, 2018

Parts One and Two can be read here… On a warm summer evening in July 2008, retiree Brian Thomas and his wife Christine sat their campervan, watching the sun sink into the sea. The couple spent their retirement watching rugby together and traveling the countryside. After heading to bed, Brian and Christine were awoken at … Read More

Science Tank | Jet Debt - Guest Work

Guest Work Dec 20, 2017

Jet lag arises due to a disturbance of your body’s internal clock, which drives your circadian rhythms. Known as the suprachiasmatic nucleus, this ‘master clock’ processes light information from your retinas and tells the pineal gland what’s happening, so that it can adjust melatonin production, effectively controlling your sleep patterns (when your brain thinks it’s dark, it … Read More

Why our brain needs sleep, and what happens if we don’t get enough of it - Guest Work

Guest Work Oct 20, 2017

Leonie Kirszenblat, The University of Queensland Many of us have experienced the effects of sleep deprivation: feeling tired and cranky, or finding it hard to concentrate. Sleep is more important for our brains than you may realise. Although it may appear you’re “switching off” when you fall asleep, the brain is far from inactive. What we know from … Read More

Sleep paralysis – more common than you might think - The Psychology Report

Sarb Johal Apr 07, 2017

In this week’s Psychology Report, I talked with Associate Professor Dr Brian Sharpless of the American School of Professional Psychology at Argosy University, Northern Virginia, USA. Brian is interested in unusual disorders, and for this show, we are talking about sleep paralysis. You can listen to the original podcast here, as well as reading our conversation below. Read More

Did we used to have two sleeps rather than one? Should we again? - Guest Work

Guest Work Feb 09, 2017

By Melinda Jackson, RMIT University and Siobhan Banks, University of South Australia Around a third of the population have trouble sleeping, including difficulties maintaining sleep throughout the night. While night time awakenings are distressing for most sufferers, there is some evidence from our recent past that suggests this period of wakefulness occurring between two separate sleep … Read More

Caffeine affects the circadian body clock - Sleep on it

Karyn O'Keeffe Sep 22, 2015

It has long been known that drinking coffee close to bedtime can increase the time that it takes to fall asleep and change the structure of our sleep.  It was thought that these effects were primarily mediated through caffeine’s alerting properties; it binds adenosine receptors which causes the release of excitatory neurotransmitters.  Research published this month in Science Translational Medicine by … Read More

Insufficient sleep increases your chance of developing a common cold - Sleep on it

Karyn O'Keeffe Sep 02, 2015

Most of us would happily avoid the nuisance of having a head cold.  A new study published by Prather and colleagues in the journal Sleep this month has demonstrated that short sleep is associated with increased susceptibility to the common cold.  While recent research has highlighted that insufficient sleep is associated with susceptibility to infectious diseases, most research has … Read More

Beliefs about normal sleep - Sleep on it

Karyn O'Keeffe Mar 24, 2015

Having an understanding of what normal sleep looks like helps us identify when we are experiencing worrying sleep difficulties. Anecdotally, many people believe that good healthy sleep involves one solid period of sleep from lights out to waking in the morning.  Recently, a group of Australian researchers tested this hypothesis by asking a group of young (18-25 years) and older … Read More

World Sleep Day 2015 - Sleep on it

Karyn O'Keeffe Mar 12, 2015

This Friday, 13 March, is World Sleep Day, an event organised each year by the World Association of Sleep Medicine to highlight the importance of sleep to health and wellbeing.  This year’s slogan is ‘when sleep is sound, health and happiness abound.’ Sleep is a common issue for New Zealanders.  In a survey of 10,000 New Zealanders drawn at random … Read More