0 1 2 3 Wed 16 Feb 1972 Mon 21 Feb 1972 Sat 26 Feb 1972 Thu 02 Mar 1972 Tue 07 Mar 1972 Sun 12 Mar 1972 Fri 17 Mar 1972 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All