worry,fear
Stress or Anxiety
.Emotional or mental stress is often the main cause of bruxism .Individuals who face stress tend to clench their teeth in response to stress
chew,crunch
Bite Problems
.A misaligned bite or jaw problems can cause friction between the upper and lower teeth
less sleep
Sleep Disorders

Individuals with sleep disorders such as sleep apnea are more likely to experience bruxism during sleep

medicine,tablets
Drug Side Effects
Some type of medication ,such as antidepressants ,can cause side effects that trigger bruxism
Genetic Factors

.A tendency to clench teeth may be inherited from the family

genes,family traits