Research suggests that humans don’t easily remember non-essentials or events that don’t hold significance to us, hence dreams are likely more easily forgotten. However, you shouldn’t be worried if you don’t remember your dreams – there are several potential reasons why. It helps regulate sleep-wake cycles, promoting healthy sleep and guiding our circadian rhythm. Melatonin is a hormone that our brain produces in response to evening darkness. This is the body’s clever way to keep us safe from harm to avoid us physically enacting our dreams. This means that the mental imagery of REM sleep and atonia (an inability to move) carries on even while we feel awake. Sleep paralysis involves a mixed state of consciousness – combining both wakefulness and the rapid eye movement (REM) stage of the sleep cycle. What’s a good score? 85% or higher is considered acceptable. You can calculate your sleep efficiency by dividing the time you’re asleep by the total time in bed. Time spent in bed not trying to sleep-while reading, for example-doesn’t count. The definition of sleep efficiency is the percentage of time we spend asleep while in bed. Poor sleep is also known to decrease productivity and creativity and has a negative impact on your social skills. Studies show that people who suffer from sleep deprivation have a shorter lead time to exhaustion post exercise, than those who stay on top of their sleep schedule. Indeed, sleep deprivation has a negative effect on exercise results. The average, healthy 18-60-year-old adult should feel rested, refreshed and ready for the day after 7.5 hours of sleep. Sleep experts and panelists pored over validated research and evidence, ultimately reaching a consensus on recommended sleep times. The Center for Disease Control (CDC) and the National Sleep Foundation agree that how much sleep we need changes as we age.

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