0 1 2 3 Mon 07 Feb 1972 Tue 15 Feb 1972 Wed 23 Feb 1972 Thu 02 Mar 1972 Fri 10 Mar 1972 Sat 18 Mar 1972 Sun 26 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