Why Does Time Go So Fast When You’re Asleep?

Does it? Generally this is not true, and most people are good at judging how many hours they’ve slept. Some can even tell themselves to wake up at a specific time and do so. Time perception can be distorted, though, and experiments show that estimates are generally good, but people tend to overestimate time passed during the early hours of sleep and underestimate during the later hours.


A third of our lives is spent in a semi-conscious state where there’s no pain except for the odd nightmare episodes