0 1 2 3 Thu 02 Mar 1972 Sun 05 Mar 1972 Wed 08 Mar 1972 Sat 11 Mar 1972 Tue 14 Mar 1972 Fri 17 Mar 1972 Mon 20 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