0 1 2 3 Mon 01 Dec 1980 Sat 06 Dec 1980 Thu 11 Dec 1980 Tue 16 Dec 1980 Sun 21 Dec 1980 Fri 26 Dec 1980 Wed 31 Dec 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