Sleep propensity is the time during which the body is most inclined to rest. The time of maximum sleep propensity is 4a.m. to 6a.m.
Read: Dijk DJ, Czeisler CA. Paradoxal timing of the circadian rhythm of sleep propensityserves to consolidate sleepand wakefulness in humans. Neurosci Lett 1994; 166:63-8.
it is a natural tendency to do something (such as to drink or smoke)
Gross travel Propensity + Net travel propensity
no sleep
Propensity (n) A tendency
He has a propensity for anger.
to sleep somewhere
She has a propensity to fall in love quickly
I have a propensity towards music. So I decided to enrol in the School of Arts to become a musician.
The presence of bedding or cleavage planes against the general slope reduces the propensity for mass movements to grade the slope.
Some people have a propensity for drinking too much tea.
Propensity is a noun meaning a natural inclination or a preference. A leaning toward something.
Example: Marlon has the propensity to drink too much.