Via the ABA here.
Admittedly, lack of sleep leads to decreased resilience, which leads to more stress, which leads to sleep deprivation. That said, the figures given do not support panic.
Lawyers sleep, on average, a whole minute less than the police, two less than medics and three less than economists, social workers and programmers. Even those getting most sleep (loggers) only had twenty minutes more.
That said, getting a decent night’s sleep sets a good foundation to a healthy life, so if you need to change your sleep habits, there is no time like the present! Some ideas here.