The experience of pathopsychology (which studies derangements of psyche functions and their reasons) displays, that analysis of some separate function refusals allows/helps to understand incidentally mechanisms of this psyche function realization in norm. An analysis of the state of simultaneous refusal of a majority of these functions allows, accordingly, to model/understand mechanisms of the majority (hardly not all of them).

6.1. NATURE of SLEEP
6.2. The NATURE of routine (non-distant) phenomena
6.3. DREAMS
6.4. PROPHETIC DREAM
6.5. SLEEP and DEATH
6.6. LETHARGIC SLEEP/sopor
6.7. To FALL ASLEEP ? – NO PROBLEM ! (Sleeplessness)