Related Clues:
- Gangster with weapon creates panic
- Jittery condition
- Morning startler
- Riot preceder
- Feeling of despair in the face of obstacles
- Signal recalling marines
- Part of a loud get-up?
- Warning siren
- Smartphone setting
- It may be set on a smartphone
- 'Something's wrong' feeling
- Jitters and edginess
- Disquiet coming from misfortune, as expected
- iPhone function under 'Clock'
- Wake-up sound