Both and at any time no matter what you are doing at that time..
More famously known as morning sickness although can occur any time of the day or night most experience it morning as you wake, vomiting is a sign of pregnancy but not the only take a pregnancy test to be sure
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It is possible, spotting is a symptom of pregnancy though considering your only one day late you shouldn't assume quiet yet.
Tornadoes are more common during the day, but they happen at night fairly often as well. About 58% of tornadoes occur during the day.
Auroras can occur during the day or night, but they are typically easier to see at night when it is dark. However, strong solar activity can sometimes create auroras that are visible during the daytime as well.
abecie
Yes. Tornadoes can occur at any time of day or night.
Land breezes occur during the time of night.
Yes. Tornadoes can occur at any time of day or night.
An equal day and night occurs twice per year on the summer and winter equinox.
Yes, respiration can occur both day and night. In plants, respiration occurs continuously to generate energy for growth and metabolism. In animals, respiration also continues day and night to supply the body with oxygen and remove carbon dioxide.
..... waffle