The idea of learning while sleeping, or hypnopaedia (hypnos, sleep; paedia, learning), is beguilingly seductive. It is a common prejudice that time spent sleeping is unproductive. From this point of view, the conversion of idle downtime during sleep into productive uptime is welcome. Furthermore, hypnopaedia promises to remove the drudgery and effort we experience when … Continue reading HYPNOPAEDIA: Has the time to resurrect “learning while sleeping” arrived?
You go to a doctor with a complaint. He sends you for a test. Based on the test result he makes a diagnosis and prescribes treatment. Diabetes? Check your blood glucose. Hypertension? Check your BP. Kidney disease? Check your creatinine. But what if you are sleep deprived? Is there a test your doctor could order … Continue reading The immeasurable darkness of sleep.
Note: "Sleep late" in the present context refers to people with the evening chronotype who go to bed late AND wake up late compared to the average person (also referred to as OWLS, in the piece below). Social necessity, or intrinsic drivers such as chronotype, determine when we sleep and when we wake up. People … Continue reading Sleep late? Die early.
via Sleep and the unconscious brain
Our brain is the seat of consciousness, the organ that makes us self aware - cogito ergo sum! But in fact, of the 80-100 billion neurons in the brain, it is only a small fraction that is accessible to our conscious awareness. Much of what happens in this organ is below the surface where conscious … Continue reading Sleep and the unconscious brain
A good mattress is an essential ingredient to ensure good sleep, but not so much in the way we think. We associate mattresses with back comfort and it is true that your mattress can make a difference to whether you sleep comfortably or awaken with a sore back. But a subtler and more pervasive effect … Continue reading If you have trouble sleeping….1