All of us can probably recognise at least some of the feelings described above and may have felt stressed and overwhelmed at some time or another. Some people seem to be more affected by stress than others. For some people, getting out of the door on time each morning can be a very stressful experience. Whereas others may be able to cope with a great deal of pressure.
The Mental Health Foundation has released a fantastic booklet about coping with stress: https://www.mentalhealth.org.uk/publications/how-manage-and-reduce-stress
What is stress? Why do I feel it? How could I cope with it?: https://www.mentalhealth.org.uk/a-to-z/s/stress
Further advice: https://www.mentalhealth.org.uk/your-mental-health/getting-help