Being a self-described night owl and being prone to daytime napping are both traits positively influenced by Neanderthal variants, as are loneliness, low mood, and smoking, according to a study in the American Journal of Human Genetics.

See the source article by following the link below:
Being a self-described night owl and being prone to daytime napping are both traits positively influenced by Neanderthal variants, as are loneliness, low mood, and smoking, according to a study in the American Journal of Human Genetics.