There is no direct correlation between a person's preference for Harley Davidson motorcycles and their choice to sleep in socks. Individual preferences for wearing socks while sleeping can vary greatly and are not related to motorcycle preferences or brands.
Sleeping habits, including whether or not someone wears socks, are influenced by personal comfort, temperature preferences, cultural norms, and individual habits. Some people may find comfort in wearing socks while sleeping, while others may prefer to sleep without them. It's ultimately a personal choice and varies from person to person.
So, whether someone enjoys Harley Davidson motorcycles or any other brand has no inherent connection to their preference for wearing socks while sleeping.