Pods are produced by plants to help with the delivery of the seeds and to encourage the transportation of the seed away from the parent plant. With many fruits and vegetables, the seed pods are edible and the seed is disbursed in this fashion.
Studies have found that in general, the optimal temperature for sleep is quite cool, around 60 to 68 degrees Fahrenheit. Temperatures that fall too far below or above this range can lead to restlessness. Temperatures in this range help facilitate the decrease in core body temperature that in turn initiates sleepiness.
You can follow or contact Melanie Pinola, the author of this post, on Twitter. Getting enough sleep is critical for good health, but the old advice about needing eight hours of sleep can vary by person. A better way to find your optimal bedtime is to conduct an experiment to find when you naturally wake up.