Calculates S during lower pressure component of sleep after break point is reached

TPM_Sp2fun(ha, g, bl, tas, breaktime)

Arguments

ha

High asymptote (typically = 14.3)

g

Rate of recovery (typically about -0.3813)

bl

Break point (typically 12.2)

tas

Time asleep (hours)

breaktime

Break time (time from sleep until breakpoint is reached)

Value

S