Sleep is a great problem-solving tool. Just ask Dmitri Mendeleev–the creator of the periodic table of the elements 👨🏻‍🔬 #restful #investinrest #sleepmatters #bedtimebulb #sleephealth #sleepscience #importanceofsleep #sleepwell #sleepspecialist #sleepeducation #sleepexpert #sleeptips #bettersleep