TPM_Sp2fun.RdCalculates S during lower pressure component of sleep after break point is reached
TPM_Sp2fun(ha, g, bl, tas, breaktime)High asymptote (typically = 14.3)
Rate of recovery (typically about -0.3813)
Break point (typically 12.2)
Time asleep (hours)
Break time (time from sleep until breakpoint is reached)
S