Based on this information, the researcher can conclude that Ryan  "has just entered Stage 2 sleep".
Stage 2 sleep, which for the most part keeps going around 20 minutes, is described by an abating pulse and a reduction in body temperature. Your body lessens its action to set you up to go into a profound rest. Â
It winds up harder to wake you up. Â
Your brain begins to produce bigger waves. Â
Your circulatory strain likewise diminishes, and other metabolic capacities back off as well.