Tag Archives | sleep stages

Another restless night? How many times of waking up is normal?

Do you remember waking up last night? How many times? Dr Nerina Ramlakhan tells in her great book Tired But Wired that on average, a human being might wake an incredible 10-15 times a night! One theory relates back to caveman days when it might have been helpful to stay semi-alert even while we slept, simply to avoid […]

Normal Sleep

So what is normal sleep? Let’s begin this by explaining what normal sleep is not. Firstly, sleep is not the opposite of wakefulness. The idea of on/off would suggest that when we are awake we are on and when we sleep we are off. However, when we sleep we constantly move from one phase to […]

REM-Sleep

REM-sleep introduction Just as deep sleep renews the body, REM-sleep renews the mind by playing a key role in learning and memory. During REM-sleep, our brain consolidates and processes the information we have learned during the day, forms neural connections that strengthen memory, and replenishes its supply of neurotransmitters, including feel-good chemicals like serotonin and […]

Sleep requirements

Falling asleep We all have different sleep habits and our sleep requirements vary by individuals and age. Going through sleep cycles requires first falling asleep (feeling drowsy –> falling asleep –> sleep cycles).  None of us should go to bed/try to fall asleep until we are drowsy. Falling asleep should feel like sliding into unknown, somewhere […]