Translations:E2/44/en
From Polyphasic Sleep Wiki
The core on E2 can also be extended, making it 6 hours long. However, it has a low success rate, and only a few have adapted. The only people who would need this are those under 18 years of age, to get a safer amount of sleep (6h40m) for the developing brain and body. Teenagers are often sleep deprived, and adding a nap before and after school can improve alertness if the core cannot be lengthened due to lifestyle. Note that these naps must be adhered to on the weekend as well, skipping will cause intense tiredness beginning 1-2 hours after the skipped nap.
