The right environment would be inside the uterus and the cervix. In certain environments, such as the cervix, uterus and fallopian tubes sperm have a life-span of up to five days. That's why a woman can get pregnant if they ovulate within 5 days after intercourse.
Problems with sleep, such as insomnia, are an acute risk for suicide, whether or not they are part of a depressive episode. It is important to note that sleep problems increased the suicide risk, even after controlling for other variables such as gender, mood, and alcohol problems.
Many of the medications used to treat serious PTSD symptoms such as anxiety, depression, flashbacks and insomnia come with risky side effects, especially when combined with one another. One of the most dangerous is an increase in suicidal thinking. There is another drug not prescribed by any VA doctor anywhere.