0 1 2 3 Mon 28 Feb 1972 Sat 04 Mar 1972 Thu 09 Mar 1972 Tue 14 Mar 1972 Sun 19 Mar 1972 Fri 24 Mar 1972 Wed 29 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