The Queen's health incident this week led to a night spent in hospital, the Palace announced today (Thursday evening).

On Wednesday, the Queen had been scheduled to travel to Northern Ireland, but the two-day trip was cancelled as she was advised by doctors to remain in England for "rest."

Queen Elizabeth hospitalized, released after health incident

However, the news has only come now that the 95-year-old also stayed in hospital on Wednesday night as she underwent "preliminary investigations." She returned home to Windsor Castle on Thursday afternoon.

So far, the news still looks promising, as the BBC reported that the Queen's stay was for "practical reasons" and a new statement notes she "remains in good spirits."

Here's the Palace's updated statement: "Following medical advice to rest for a few days, the Queen attended hospital on Wednesday afternoon for some preliminary investigations, returning to Windsor Castle at lunchtime today, and remains in good spirits."

The statement is similar to the one issued on Wednesday, when it was first announced the Queen "reluctantly" cancelled her Oct. 20-21 trip to Northern Ireland.

There still aren't specifics on what may have led to the Queen's health-related incident, but it is non-COVID related. She was treated at King Edward VII's Hospital in London.

Concern As The Queen Cancels Appointments On Doctor's Orders

The night before her hospital stay, the Queen had hosted guests at Windsor Castle and appeared in a lively mood.

A few days before that, she had been spotted using a walking stick for "comfort," which is out of the norm for the monarch.

Queen Elizabeth was recently on her summer break at Balmoral and had just gotten back into a busy schedule of autumn engagements. Let's keep on hoping that she's doing well.