The Most Inspirational Comics You'll Ever Read. Einstein's Riddle. X things on y. Alternative Sleep Cycles. Most people only think that there is one way to sleep: Go to sleep at night for 6-8 hours, wake up in the morning, stay awake for 16-18 hours and then repeat. Actually, that is called a monophasic sleep cycle, which is only 1 of 5 major sleep cycles that have been used successfully throughout history. The other 4 are considered polyphasic sleep cycles due to the multiple number of naps they require each day. How is this possible? How is this healthy? Well the most important of every sleep cycle is the Stage 4 REM (Rapid Eye Movement) sleep, which has been shown to provide the benefits of sleep to the brain above all other stages of sleep.
This way, you still get the benefits of 8 hours of sleep without wasting all of the time it takes to get to REM cycles, resulting in a much more efficient sleep cycle. Uberman Cycle: 20 to 30 minute naps every 4 hours, resulting in 6 naps each day. Everyman Cycle: One longer “core” nap that is supplemented with several 20-30 minute naps. Dymaxion Cycle:
Life Hacks. A Good Laugh. Playtype | Typographer's Glossary. Serif: Serif's are semi-structural details on the ends of some of the strokes that make up letters and symbols. A typeface that has serifs is called a serif typeface (or seriffed typeface). Some of the main classifications of Serif type are: Blackletter, Venetian, Garalde, Modern, Slab Serif, Transitional, and Informal. Fonts in each classfication share certain similiar characteristics including the shape or appearance of their serifs. Serif fonts are widely used in traditional printed material such as books and newspapers.