(Laughter) When we detected that people were in deep sleep, we played the deep-sleep stimulating sounds that were shown to make them have deeper sleep.
(ضحك) حين علمنا أن الناس كانوا في نوم عميق، شغلنا أصوات تحفيز النوم العميق التي يبدو أنها تجعلهم يحصلون على نوم أعمق.