0 1 2 3 Mon 12 Jul 1948 Thu 15 Jul 1948 Sun 18 Jul 1948 Wed 21 Jul 1948 Sat 24 Jul 1948 Tue 27 Jul 1948 Fri 30 Jul 1948 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