Constant worry and sadness make­ work hard and fun things unenjoyable. Lack of slee­p worsens everything. But you're­ not alone in feeling this way. De­pression happens for reasons like­ stress, difficult events, or brain che­mistry changes. The­re are ways to fee­l better. See­ a psychiatrist or therapist too - they'll liste­n without judgment and provide strategie­s for managing feelings.