- Changes in sleep patterns
- Unexpected weeping
- Being moody
- Bad eating habits that result in noticeable weight loss or gain
- Expressions of hopelessness or worthlessness
- Paranoia
- excessive secrecy
- Excessive isolation
- Abandoning friends, social groups, and favorite pastimes
- Unexpected decline in academic performance
- Self-mutilation or mention of hurting himself or herself.
- Excessive drinking or using other drugs to feel better or help with sleep