0 1 2 3 Thu 13 Mar 1980 Sun 16 Mar 1980 Wed 19 Mar 1980 Sat 22 Mar 1980 Tue 25 Mar 1980 Fri 28 Mar 1980 Mon 31 Mar 1980 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