You could be one of those incredibly rare people that can actually get by on a few hours of sleep a night (almost definitely not), or you could be on the opposite end of the spectrum, what doctors refer to as a "long sleeper," who might need 11 hours a night
However, there are a few minor risks associated with the needle injection itself
Shapovalova K, Zorkina Y, Abramova O et al (2024) The role of neuropeptide Y in the pathogenesis of Alzheimers disease: diagnostic significance and neuroprotective functions
It is also used for heart disease, premenstrual syndrome (PMS), depression, morning sickness, Alzheimer disease, menstrual cramps, diabetes, and many other conditions, but there is no good scientific evidence to support many of these other uses