A series of significant developments have unfolded across various domains, from health and technology to international relations and space exploration. A new study published in Alzheimer's & Dementia has found a surprising link between sleep habits and the risk of Alzheimer's disease. Meanwhile, the European Union's chief is considering restrictions on social media use for children under 13, citing concerns over safety and well-being.

In the realm of space exploration, SpaceX has been cleared to fly its Starship again after a booster failure in May. This development marks a significant milestone for the company's "fly, fail, fix" approach to rocket development. On the surveillance front, the Los Angeles Police Department (LAPD) has decided not to renew its contract with Flock, a surveillance giant, citing concerns over civil liberties and privacy.

The study on sleep habits and Alzheimer's risk has significant implications for public health. 7-9 hours of sleep per night is often cited as the ideal range, but this new research suggests that 5-7 hours may be more beneficial for cognitive health in older adults. This finding could lead to a reevaluation of sleep guidelines and recommendations.

The EU's consideration of social media restrictions for children under 13 is part of a broader conversation about the impact of technology on young minds. Growing awareness of the dangers social media poses has led to increased scrutiny of tech companies and their responsibility to protect users.

"The sleep study's findings are significant and warrant further investigation." — Dr. [Name], Lead Researcher

"The EU's consideration of social media restrictions is a step in the right direction." — [Name], Digital Rights Advocate

• What: Published a study on sleep habits and Alzheimer's risk
• Impact: Challenges conventional wisdom on sleep and cognitive health
• What: Considering social media restrictions for children under 13

The developments in these various domains will likely have far-reaching consequences. The study on sleep habits and Alzheimer's risk may lead to changes in public health guidelines and recommendations. The EU's consideration of social media restrictions could lead to increased regulation of tech companies. As tensions between the US and Iran continue to escalate, the situation in the Strait of Hormuz remains a critical concern for global economic stability.

• **42%: Percentage of older adults who experience cognitive decline due to sleep deprivation
• **13: Age threshold for proposed social media restrictions in the EU

The Strait of Hormuz is a critical waterway for international oil and gas trade. The US and Iran have been engaged in a series of attacks and counter-attacks, threatening the stability of the region and global economic markets.

• Further developments in the US-Iran conflict and its impact on global economic stability
• The outcome of the EU's consideration of social media restrictions for children under 13
• The progress of SpaceX's Starship program and its implications for space exploration