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Leigh Signal

Professor in Fatigue Management and Sleep Health/Associate Dean, Research, Massey University
Dr. Leigh Signal is a Professor of Fatigue Management and Sleep Health at the Sleep/Wake Research Centre, Massey University, Wellington. Leigh trained as a Commercial Pilot and then completed a Master’s degree in Industrial and Organisational Psychology before completing her PhD in Public Health at the Sleep/Wake Research Centre. Leigh is involved in both basic and applied sleep and circadian research, postgraduate supervision and teaching. Her work spans two main areas.

The first is focused on identifying, managing and mitigating fatigue in applied settings, particularly for the aviation industry. She has worked with aircraft manufacturers, national and international airlines and regulators and has conducted studies onboard aircraft and in the laboratory environment. Leigh provides scientific advice to industry groups and regulators on the management of fatigue and has been an invited member of International Civil Aviation Organisation Fatigue Risk Management Task Forces. She is also often asked to provide expert evidence on the possible role of fatigue in workplace incidents and accidents. Leigh’s second stream of research is focused on the sleep health of women and children. She is interested in understanding the sleep of women across the perinatal period, the relationship between sleep and mental health across the lifespan, and ways we can support people to maintain good sleep health and mental health. She also has an interest in understanding inequities in sleep for women and children and the sociodemographic factors that drive these differences.

How can I get better sleep on long-haul flights?

Sep 01, 2023 01:39 am UTC| Health

For most of us, the prospect of a long-haul flight is exciting, mixed with a few nerves. Were off somewhere different perhaps a holiday, maybe to catch up with friends or family. Even work can be more interesting when...

Economy

Indian Rupee Strengthens Sharply After U.S.-India Trade Deal Announcement

The Indian rupee strengthened sharply during morning trade on Tuesday after New Delhi and Washington announced a long-awaited U.S.-India trade deal, sparking optimism across currency and financial markets. The development...

India–US Trade Pact 2026: A New Highway to a USD 500 Billion Partnership

Announced on February 1, 2026, the new India-US trade pact is being touted as a significant advancement for bilateral economic relations. The pact aims to speed trade flows and drive total trade toward the USD 500 billion...

Gold, Silver, and Platinum Rally as Precious Metals Recover from Sharp Selloff

Gold prices climbed in early Asian trading on Tuesday, with silver and platinum also posting solid gains, as precious metal markets steadied after suffering two days of sharp selloffs. The rebound offered some relief to...

South Korea Inflation Hits Five-Month Low as CPI Reaches Central Bank Target

South Korean consumer inflation eased to a five-month low in January, reaching the Bank of Koreas official target and reinforcing signs that price pressures in the country are gradually stabilizing. According to data...

S&P 500 Rises as AI Stocks and Small Caps Rally on Strong Earnings Outlook

U.S. stock markets closed higher on Monday, led by gains in artificial intelligence-related stocks and a strong rally in small-cap companies, as investor confidence improved on solid earnings expectations and encouraging...

Politics

Federal Judge Blocks Trump Administration Move to End TPS for Haitian Immigrants

A federal judge on Monday blocked the Trump administration from revoking Temporary Protected Status (TPS) for more than 350,000 Haitian immigrants living in the United States, preventing their potential deportation to a...

Trump Spoke With FBI Agents After Georgia Election Office Search, Report Says

U.S. President Donald Trump spoke directly with FBI agents one day after they searched an election office in Fulton County, Georgia, according to a report published by the New York Times on Monday. The report cited three...

Trump Calls for “Nationalizing” Voting, Drawing Backlash Over Election Authority

President Donald Trump sparked controversy after saying Republicans should nationalize and take over voting in at least 15 unspecified locations, repeating his long-standing and false claims that U.S. elections are plagued...

Japan Finance Minister Defends PM Takaichi’s Remarks on Weak Yen Benefits

Japans Finance Minister Satsuki Katayama on Tuesday defended Prime Minister Sanae Takaichis recent comments emphasizing the potential benefits of a weaker yen, saying the remarks were grounded in standard economic theory...

Trump Announces U.S.–India Trade Deal Cutting Tariffs, Boosting Markets and Energy Ties

U.S. President Donald Trump announced a major U.S.India trade deal on Monday that significantly reduces U.S. tariffs on Indian goods to 18% from a previous combined rate of 50%. The agreement, revealed after a phone call...

Science

NASA and SpaceX Target Crew-11 Undocking From ISS Amid Medical Concern

NASA has confirmed that the agency, in coordination with SpaceX, is targeting no earlier than 5 p.m. Eastern Time (2200 GMT) on Wednesday, January 14, for the undocking of the SpaceX Crew-11 mission from the International...

Neuralink Plans High-Volume Brain Implant Production and Fully Automated Surgery by 2026

Elon Musks brain-computer interface company Neuralink is preparing for a major expansion, announcing plans to begin high-volume production of its brain implant devices and transition to a fully automated surgical procedure...

Jared Isaacman Confirmed as NASA Administrator, Becomes 15th Leader of U.S. Space Agency

The U.S. Senate has officially confirmed billionaire private astronaut Jared Isaacman as the new NASA administrator, making him the 15th leader in the agencys history. The confirmation, which took place on Wednesday, marks...

Senate Sets December 8 Vote on Trump’s NASA Nominee Jared Isaacman

The U.S. Senate Commerce Committee announced it will vote on December 8 on President Donald Trumps renewed nomination of private astronaut and tech entrepreneur Jared Isaacman to lead NASA. Isaacman, known for his...

NASA Cuts Boeing Starliner Missions as SpaceX Pulls Ahead

NASA has significantly scaled back Boeings Starliner program after years of technical issues and delays, announcing that the next Starliner mission to the International Space Station (ISS) will fly without astronauts. The...

Technology

Elon Musk’s SpaceX Acquires xAI in Historic Deal Uniting Space and Artificial Intelligence

Elon Musk announced on Monday that SpaceX has acquired his artificial intelligence startup xAI in a landmark deal that brings together his ambitions in space exploration and advanced AI technology. The acquisition combines...

Google Cloud and Liberty Global Forge Strategic AI Partnership to Transform European Telecom Services

Google Cloud, one of Alphabets fastest-growing divisions, has entered into a five-year strategic partnership with Liberty Global aimed at accelerating the adoption of artificial intelligence and cloud technologies across...

Palantir Stock Jumps After Strong Q4 Earnings Beat and Upbeat 2026 Revenue Forecast

Palantir Technologies Inc (NASDAQ: PLTR) delivered a strong fourth-quarter earnings report, beating Wall Street expectations on both revenue and profit while issuing a significantly stronger-than-expected outlook for 2026....

Sam Altman Reaffirms OpenAI’s Long-Term Commitment to NVIDIA Amid Chip Report

OpenAI CEO Sam Altman has publicly reaffirmed the artificial intelligence companys strong relationship with NVIDIA Corporation (NASDAQ: NVDA), pushing back against recent reports suggesting dissatisfaction with the...

SoftBank and Intel Partner to Develop Next-Generation Memory Chips for AI Data Centers

SoftBank Corp (TYO:9434) has announced a strategic collaboration between its subsidiary Saimemory and Intel Corporation (NASDAQ: INTC) to develop a new class of advanced memory chip technology aimed at powering the next...