0 1 2 3 Tue 29 Feb 1972 Sun 05 Mar 1972 Fri 10 Mar 1972 Wed 15 Mar 1972 Mon 20 Mar 1972 Sat 25 Mar 1972 Thu 30 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