Is it bad to consistently get barely any sleep?

Yes it is: Not getting enough sleep leads to daytime sleepiness with increased mistakes and accidents. It also leads to weight gain. It is essential to get 7-8 hours of time in bed each day with good sleep through most of that time.

Not healthy. Use: Good sleep hygiene to try to improve your sleep. 1. Keep regular bed & wakening time (includes weekends). Get up same time daily. 2. Make a regular, relaxing bedtime routine: warm bath or shower, aromatherapy, reading, or listening to gentle music. 3. Sleep in dark, quiet, cool room w comfortable mattress & pillows. 4. Use bedroom only for sleep & sex. Put work materials, computers, & tvs in.