Pregnancy is all about the creation and development of life, so dreaming of being pregnant may be a metaphor for the birth of something in your life, such as a new idea, project or goal. It may also symbolize an aspect of yourself that is developing or growing.
Police in a dream may represent the law, rules, authority or control.
Being on a beach or at the shore is one of the most common dream settings. Large bodies of water, like the ocean, are usually considered to symbolize the unconscious and our emotions. We can think of dreaming as “swimming” in the ocean of the unconscious. So it would only be natural to start our swimming from the beach, which is a place of transition between the land and the ocean. A dream about a Beach then can be a metaphor for the transition between the conscious and the unconscious; or between the waking and dreaming states.
Since you spend one-third of your day in bed it should not be a surprise that you dream about it. In general, a dream about a bed or a bedroom may be addressing your waking life issues concerning sex, intimacy and privacy.
Dreams about birds may represent your hopes, goals and aspirations. Are they flying too high?
Since we live in our house in waking life, your house in a dream usually represents you or your physical body (the dwelling of your soul).