But what are some of the symptoms of depression? These are the psychological, physical and social symptoms of clinical depression, according to the NHS.
If you or someone you know is struggling, contact your local GP or the Samaritans 24/7, 365 days a year on the free phone line number 116 123. You can also contact the Samaritans via email [email protected], visit the website or write a letter.
13. African american woman suffering from insomnia lying in bed without sleep with alarm clocks close up, panorama
Disturbed sleep - physical symptom Photo: Shutterstock
14. shutterstock_370592558.jpg
Avoiding contact with friends and taking part in fewer social activities - social symptom Photo: Shutterstock
15. Tired stressed old mature business woman suffering from headache at work. Upset sick senior middle aged lady massaging head feeling migraine from overwork or menopause using computer at home office.
Neglecting your hobbies and interests - social symptom Photo: Shutterstock
16. Upset older man listening to supportive speech of pleasant female doctor, head shot close up. Middle aged kind medical specialist touching shoulder of old male patient, giving psychological help.
Having difficulties in your home, work or family life - social symptom Photo: Shutterstock