0 1 2 3 Wed 19 Jan 1972 Thu 27 Jan 1972 Fri 04 Feb 1972 Sat 12 Feb 1972 Sun 20 Feb 1972 Mon 28 Feb 1972 Tue 07 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