Slipping into an overcoat in your dream world often indicates emotional self-preservation. It suggests that you're donning a metaphorical layer to protect yourself from emotional harm or disappointment, building invisible walls around you.

Donning overalls in a dream could be a mirror reflecting your casual or disorderly demeanor. It might imply that your thoughts are scattered, or that you have a relaxed approach to life. On a different note, the dream could also be playing on words, urging you to take a step back and consider the "overall" situation—focusing on the big picture rather than getting lost in the details.

Dreaming about an overdose—whether it's you or someone else—often serves as a cautionary tale. It suggests that you might be pushing your boundaries, potentially to harmful extents. This could be an urgent call to reflect on your current lifestyle choices. Alternatively, the dream may be pointing to a dangerous trajectory you're on, implying that major life adjustments are needed to avert a crisis.

Dreaming about menstruation can be seen as a metaphorical cleansing process. It often implies that you're letting go of stress or anxiety, possibly signaling the end of challenging chapters and the onset of more peaceful times. This could also point to a release or acknowledgement of creative energies. On the flip side, such a dream might indicate that you're suppressing your feminine qualities. For those experiencing menopause, dreaming of menstruation could symbolize a resurgence of energy and vitality.

Spotting an owl in your dreamscape serves as a multi-layered symbol. On one hand, it represents wisdom, spiritual insight, and heightened intuition, indicating that you're in tune with your psychic abilities. On the darker side, the owl can be a messenger of mortality, shadows, and the unexplored depths of your subconscious. If the owl that visits your dream is white or resembles a snow owl, consider it a sign of newfound enlightenment or a spiritual awakening. Hearing an owl's haunting hoot in your dream could be a subconscious alert, warning you of potential disappointments or an unsettling turn of events.

Dreaming of an ox serves as a bridge between the potent forces of masculinity and the elusive qualities of femininity, indicating that you've struck a harmonious balance with the opposite gender. On another note, an ox in your dream world could be a nod to your own attributes of diligence, resilience, and dependability. And let's not forget the old saying—being "as stubborn as an ox" could indicate some fixed attitudes you may hold.

When oxygen makes an appearance in your dreams, it often serves as a sign of renewal or a fresh burst of creativity in your waking life. It's as though you've been given a new lease on life, filling you with energy and rejuvenation. On the flip side, if you find yourself gasping for air in the dream, it might point to a stifling or overwhelming situation you're currently facing.

Encountering an oxygen mask in your dreamscape could signify a sense of suffocation or powerlessness in your day-to-day life. It's as if you're gagged, unable to voice your emotions or thoughts freely.

Dreaming about oysters can be a window into your deepest desires and emotions. Consuming them in the dream state may be a sign of pent-up sexual energy or a need for physical satisfaction. Seeing oysters, on the other hand, could symbolize a variety of things—from your innate wisdom and hidden beauty to wealth and humility. Yet, oysters can also serve as a metaphor for emotional barriers you've put up, shutting yourself off from the world. Maybe the dream is nudging you to remember that possibilities are endless—"the world is your oyster." Eager for success but feeling financially strapped? The appearance of empty oyster shells in your dreams could signify money-related stress.