0 1 2 3 Mon 22 Dec 1947 Fri 26 Dec 1947 Tue 30 Dec 1947 Sat 03 Jan 1948 Wed 07 Jan 1948 Sun 11 Jan 1948 Thu 15 Jan 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