US 12,420,704 B2
Systems and methods to determine awakening lead time for waking up sleeping driver
Benjamin Piya Austin, Saline, MI (US); John K. Lenneman, Okemos, MI (US); Joshua E. Domeyer, Madison, WI (US); and Philip J. Babian, Canton, MI (US)
Assigned to Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US); and Toyota Jidosha Kabushiki Kaisha, Toyota (JP)
Filed by Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US)
Filed on Jul. 28, 2023, as Appl. No. 18/227,551.
Prior Publication US 2025/0033559 A1, Jan. 30, 2025
Int. Cl. B60Q 9/00 (2006.01); A61B 5/00 (2006.01); G08B 21/18 (2006.01)
CPC B60Q 9/00 (2013.01) [A61B 5/4809 (2013.01); A61B 5/4812 (2013.01); G08B 21/18 (2013.01); A61B 2503/22 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of providing sleep service in a vehicle comprising:
accessing a user profile of a driver, the user profile comprising user activity data and user biometric data;
accessing route information;
calculating an action time based on one or more upcoming events;
calculating a current leading-time period based on the user profile;
providing a wake-up notification to the driver at a wake-up time based on the action time and the current leading-time period; and
wherein:
the current leading-time period comprises a base leading-time period and a deviation leading-time period, and
the deviation leading-time period is determined based on recent user activity data, recent user biometric data, historic user activity data, and historic user biometric data.